628807416 has 64 divisors (see below), whose sum is σ = 1599156000. Its totient is φ = 206016000.

The previous prime is 628807411. The next prime is 628807457. The reversal of 628807416 is 614708826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628807411) 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, 360306 + ... + 362046.

Almost surely, 2^628807416 is an apocalyptic number.

It is an amenable number.

628807416 is an abundant number, since it is smaller than the sum of its proper divisors (970348584).

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

628807416 is a wasteful number, since it uses less digits than its factorization.

628807416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 628807416 is about 25076.0327005689. The cubic root of 628807416 is about 856.7206170171.

The spelling of 628807416 in words is "six hundred twenty-eight million, eight hundred seven thousand, four hundred sixteen".