628625962 has 4 divisors (see below), whose sum is σ = 942938946. Its totient is φ = 314312980.

The previous prime is 628625939. The next prime is 628625993. The reversal of 628625962 is 269526826.

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., 593945641 + 34680321 = 24371^2 + 5889^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157156489 + ... + 157156492.

Almost surely, 2^628625962 is an apocalyptic number.

628625962 is a deficient number, since it is larger than the sum of its proper divisors (314312984).

628625962 is a wasteful number, since it uses less digits than its factorization.

628625962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314312983.

The product of its digits is 622080, while the sum is 46.

The square root of 628625962 is about 25072.4143632000. The cubic root of 628625962 is about 856.6382015671.

The spelling of 628625962 in words is "six hundred twenty-eight million, six hundred twenty-five thousand, nine hundred sixty-two".