700638 has 16 divisors (see below), whose sum is σ = 1483920. Its totient is φ = 219776.

The previous prime is 700633. The next prime is 700639. The reversal of 700638 is 836007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (700633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3333 + ... + 3536.

It is an arithmetic number, because the mean of its divisors is an integer number (92745).

2⁷⁰⁰⁶³⁸ is an apocalyptic number.

700638 is an abundant number, since it is smaller than the sum of its proper divisors (783282).

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

700638 is a wasteful number, since it uses less digits than its factorization.

700638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6891.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 700638 is about 837.0412176231. The cubic root of 700638 is about 88.8173673522.

The spelling of 700638 in words is "seven hundred thousand, six hundred thirty-eight".