616969402 has 8 divisors (see below), whose sum is σ = 1057661856. Its totient is φ = 264415452.

The previous prime is 616969393. The next prime is 616969421. The reversal of 616969402 is 204969616.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22034608 + ... + 22034635.

It is an arithmetic number, because the mean of its divisors is an integer number (132207732).

Almost surely, 2^616969402 is an apocalyptic number.

616969402 is a deficient number, since it is larger than the sum of its proper divisors (440692454).

616969402 is a wasteful number, since it uses less digits than its factorization.

616969402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44069252.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 616969402 is about 24838.8687745638. The cubic root of 616969402 is about 851.3102753659.

The spelling of 616969402 in words is "six hundred sixteen million, nine hundred sixty-nine thousand, four hundred two".