344705436 has 48 divisors (see below), whose sum is σ = 895053600. Its totient is φ = 114725376.

The previous prime is 344705423. The next prime is 344705443. The reversal of 344705436 is 634507443.

It is a happy number.

344705436 is a `hidden beast` number, since 3 + 44 + 70 + 543 + 6 = 666.

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 344705436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81420 + ... + 85548.

It is an arithmetic number, because the mean of its divisors is an integer number (18646950).

Almost surely, 2^344705436 is an apocalyptic number.

344705436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

344705436 is an abundant number, since it is smaller than the sum of its proper divisors (550348164).

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

344705436 is a wasteful number, since it uses less digits than its factorization.

344705436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4915 (or 4907 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The square root of 344705436 is about 18566.2445314070. The cubic root of 344705436 is about 701.1582430202.

The spelling of 344705436 in words is "three hundred forty-four million, seven hundred five thousand, four hundred thirty-six".