628574 has 8 divisors (see below), whose sum is σ = 964920. Its totient is φ = 306936.

The previous prime is 628561. The next prime is 628583. The reversal of 628574 is 475826.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 628574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3569 + ... + 3740.

It is an arithmetic number, because the mean of its divisors is an integer number (120615).

2⁶²⁸⁵⁷⁴ is an apocalyptic number.

628574 is a deficient number, since it is larger than the sum of its proper divisors (336346).

628574 is a wasteful number, since it uses less digits than its factorization.

628574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354.

The product of its digits is 13440, while the sum is 32.

The square root of 628574 is about 792.8265888579. The cubic root of 628574 is about 85.6614597780.

The spelling of 628574 in words is "six hundred twenty-eight thousand, five hundred seventy-four".