616623402 has 16 divisors (see below), whose sum is σ = 1234552320. Its totient is φ = 205323552.

The previous prime is 616623383. The next prime is 616623407. The reversal of 616623402 is 204326616.

It is a self number, because there is not a number n which added to its sum of digits gives 616623402.

It is not an unprimeable number, because it can be changed into a prime (616623407) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 48202 + ... + 59637.

It is an arithmetic number, because the mean of its divisors is an integer number (77159520).

Almost surely, 2^616623402 is an apocalyptic number.

616623402 is an abundant number, since it is smaller than the sum of its proper divisors (617928918).

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

616623402 is a wasteful number, since it uses less digits than its factorization.

616623402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108797.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 616623402 is about 24831.9029073488. The cubic root of 616623402 is about 851.1511057032.

The spelling of 616623402 in words is "six hundred sixteen million, six hundred twenty-three thousand, four hundred two".