628630092 has 48 divisors (see below), whose sum is σ = 1631885920. Its totient is φ = 209272896.

The previous prime is 628630091. The next prime is 628630099. The reversal of 628630092 is 290036826.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (628630091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91398 + ... + 98034.

Almost surely, 2^628630092 is an apocalyptic number.

It is an amenable number.

628630092 is an abundant number, since it is smaller than the sum of its proper divisors (1003255828).

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

628630092 is a wasteful number, since it uses less digits than its factorization.

628630092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7527 (or 7519 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 628630092 is about 25072.4967244987. The cubic root of 628630092 is about 856.6400775677.

The spelling of 628630092 in words is "six hundred twenty-eight million, six hundred thirty thousand, ninety-two".