344365402 has 4 divisors (see below), whose sum is σ = 516548106. Its totient is φ = 172182700.

The previous prime is 344365393. The next prime is 344365429. The reversal of 344365402 is 204563443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 317231721 + 27133681 = 17811^2 + 5209^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86091349 + ... + 86091352.

Almost surely, 2^344365402 is an apocalyptic number.

344365402 is a deficient number, since it is larger than the sum of its proper divisors (172182704).

344365402 is a wasteful number, since it uses less digits than its factorization.

344365402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172182703.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 344365402 is about 18557.0849542702. The cubic root of 344365402 is about 700.9276151124.

The spelling of 344365402 in words is "three hundred forty-four million, three hundred sixty-five thousand, four hundred two".