344790432 has 240 divisors, whose sum is σ = 1198213632. Its totient is φ = 95178240.

The previous prime is 344790419. The next prime is 344790437. The reversal of 344790432 is 234097443.

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

It is not an unprimeable number, because it can be changed into a prime (344790437) 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 39 ways as a sum of consecutive naturals, for example, 562158 + ... + 562770.

Almost surely, 2^344790432 is an apocalyptic number.

344790432 is a gapful number since it is divisible by the number (32) 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 344790432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599106816).

344790432 is an abundant number, since it is smaller than the sum of its proper divisors (853423200).

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

344790432 is a wasteful number, since it uses less digits than its factorization.

344790432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 344790432 is about 18568.5333831189. The cubic root of 344790432 is about 701.2158678231.

The spelling of 344790432 in words is "three hundred forty-four million, seven hundred ninety thousand, four hundred thirty-two".