628533926 has 8 divisors (see below), whose sum is σ = 983792304. Its totient is φ = 300603160.

The previous prime is 628533863. The next prime is 628533929. The reversal of 628533926 is 629335826.

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

It is a super-2 number, since 2×628533926² = 790109792265946952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628533929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6831845 + ... + 6831936.

It is an arithmetic number, because the mean of its divisors is an integer number (122974038).

Almost surely, 2^628533926 is an apocalyptic number.

628533926 is a deficient number, since it is larger than the sum of its proper divisors (355258378).

628533926 is a wasteful number, since it uses less digits than its factorization.

628533926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13663806.

The product of its digits is 466560, while the sum is 44.

The square root of 628533926 is about 25070.5788923990. The cubic root of 628533926 is about 856.5963932390.

The spelling of 628533926 in words is "six hundred twenty-eight million, five hundred thirty-three thousand, nine hundred twenty-six".