628285703 has 4 divisors (see below), whose sum is σ = 634157640. Its totient is φ = 622413768.

The previous prime is 628285663. The next prime is 628285739. The reversal of 628285703 is 307582826.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 628285703 - 2⁶ = 628285639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628285003) 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, 2935808 + ... + 2936021.

It is an arithmetic number, because the mean of its divisors is an integer number (158539410).

Almost surely, 2^628285703 is an apocalyptic number.

628285703 is a deficient number, since it is larger than the sum of its proper divisors (5871937).

628285703 is a wasteful number, since it uses less digits than its factorization.

628285703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5871936.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 628285703 is about 25065.6279195236. The cubic root of 628285703 is about 856.4836149601.

The spelling of 628285703 in words is "six hundred twenty-eight million, two hundred eighty-five thousand, seven hundred three".