630904086 has 32 divisors (see below), whose sum is σ = 1414429920. Its totient is φ = 208438272.

The previous prime is 630904081. The next prime is 630904091. The reversal of 630904086 is 680409036.

630904086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (630904081) and next prime (630904091).

It is a self number, because there is not a number n which added to its sum of digits gives 630904086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630904081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45595 + ... + 57798.

It is an arithmetic number, because the mean of its divisors is an integer number (44200935).

Almost surely, 2^630904086 is an apocalyptic number.

630904086 is an abundant number, since it is smaller than the sum of its proper divisors (783525834).

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

630904086 is a wasteful number, since it uses less digits than its factorization.

630904086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103517 (or 103511 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 630904086 is about 25117.8041635809. The cubic root of 630904086 is about 857.6717654934.

It can be divided in two parts, 63090 and 4086, that added together give a palindrome (67176).

The spelling of 630904086 in words is "six hundred thirty million, nine hundred four thousand, eighty-six".