346354402 has 4 divisors (see below), whose sum is σ = 519531606. Its totient is φ = 173177200.

The previous prime is 346354397. The next prime is 346354409. The reversal of 346354402 is 204453643.

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., 262796521 + 83557881 = 16211^2 + 9141^2 .

It is a super-2 number, since 2×346354402² = 239922743569555208, which contains 22 as substring.

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 not an unprimeable number, because it can be changed into a prime (346354409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86588599 + ... + 86588602.

Almost surely, 2^346354402 is an apocalyptic number.

346354402 is a deficient number, since it is larger than the sum of its proper divisors (173177204).

346354402 is a wasteful number, since it uses less digits than its factorization.

346354402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173177203.

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

The square root of 346354402 is about 18610.5991843358. The cubic root of 346354402 is about 702.2745075682.

The spelling of 346354402 in words is "three hundred forty-six million, three hundred fifty-four thousand, four hundred two".