628426695 has 32 divisors (see below), whose sum is σ = 1084305600. Its totient is φ = 308957184.

The previous prime is 628426679. The next prime is 628426703. The reversal of 628426695 is 596624826.

It is a happy number.

It is not a de Polignac number, because 628426695 - 2⁴ = 628426679 is a prime.

It is a super-2 number, since 2×628426695² = 789840221977246050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179421 + ... + 182889.

It is an arithmetic number, because the mean of its divisors is an integer number (33884550).

Almost surely, 2^628426695 is an apocalyptic number.

628426695 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

628426695 is a deficient number, since it is larger than the sum of its proper divisors (455878905).

628426695 is a wasteful number, since it uses less digits than its factorization.

628426695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419.

The product of its digits is 1244160, while the sum is 48.

The square root of 628426695 is about 25068.4402187292. The cubic root of 628426695 is about 856.5476772731.

The spelling of 628426695 in words is "six hundred twenty-eight million, four hundred twenty-six thousand, six hundred ninety-five".