616572938 has 4 divisors (see below), whose sum is σ = 924859410. Its totient is φ = 308286468.

The previous prime is 616572911. The next prime is 616572947. The reversal of 616572938 is 839275616.

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., 464962969 + 151609969 = 21563^2 + 12313^2 .

It is a junction number, because it is equal to n+sod(n) for n = 616572892 and 616572901.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154143233 + ... + 154143236.

Almost surely, 2^616572938 is an apocalyptic number.

616572938 is a deficient number, since it is larger than the sum of its proper divisors (308286472).

616572938 is a wasteful number, since it uses less digits than its factorization.

616572938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308286471.

The product of its digits is 544320, while the sum is 47.

The square root of 616572938 is about 24830.8867743381. The cubic root of 616572938 is about 851.1278858789.

The spelling of 616572938 in words is "six hundred sixteen million, five hundred seventy-two thousand, nine hundred thirty-eight".