345231936 has 112 divisors (see below), whose sum is σ = 1159946880. Its totient is φ = 98634240.

The previous prime is 345231923. The next prime is 345231949. The reversal of 345231936 is 639132543.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (345231923) and next prime (345231949).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 345231936.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2175 + ... + 26366.

Almost surely, 2^345231936 is an apocalyptic number.

345231936 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345231936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579973440).

345231936 is an abundant number, since it is smaller than the sum of its proper divisors (814714944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345231936 is a wasteful number, since it uses less digits than its factorization.

345231936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28569 (or 28553 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 345231936 is about 18580.4180792575. The cubic root of 345231936 is about 701.5150423676.

The spelling of 345231936 in words is "three hundred forty-five million, two hundred thirty-one thousand, nine hundred thirty-six".