345229392 has 80 divisors (see below), whose sum is σ = 969144320. Its totient is φ = 105494400.

The previous prime is 345229363. The next prime is 345229397. The reversal of 345229392 is 293922543.

It is a self number, because there is not a number n which added to its sum of digits gives 345229392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345229397) by changing a digit.

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, 22167 + ... + 34377.

It is an arithmetic number, because the mean of its divisors is an integer number (12114304).

Almost surely, 2^345229392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345229392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484572160).

345229392 is an abundant number, since it is smaller than the sum of its proper divisors (623914928).

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

345229392 is a wasteful number, since it uses less digits than its factorization.

345229392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12272 (or 12266 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 345229392 is about 18580.3496199614. The cubic root of 345229392 is about 701.5133192181.

The spelling of 345229392 in words is "three hundred forty-five million, two hundred twenty-nine thousand, three hundred ninety-two".