344331402 has 16 divisors (see below), whose sum is σ = 690082752. Its totient is φ = 114540480.

The previous prime is 344331391. The next prime is 344331409. The reversal of 344331402 is 204133443.

It is a super-2 number, since 2×344331402² = 237128228806571208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344331409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55999 + ... + 61842.

It is an arithmetic number, because the mean of its divisors is an integer number (43130172).

Almost surely, 2^344331402 is an apocalyptic number.

344331402 is an abundant number, since it is smaller than the sum of its proper divisors (345751350).

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

344331402 is a wasteful number, since it uses less digits than its factorization.

344331402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118333.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 344331402 is about 18556.1688394992. The cubic root of 344331402 is about 700.9045462800.

Adding to 344331402 its reverse (204133443), we get a palindrome (548464845).

The spelling of 344331402 in words is "three hundred forty-four million, three hundred thirty-one thousand, four hundred two".