630694085 has 32 divisors (see below), whose sum is σ = 882032640. Its totient is φ = 424009728.

The previous prime is 630694073. The next prime is 630694087. The reversal of 630694085 is 580496036.

It is a cyclic number.

It is not a de Polignac number, because 630694085 - 2⁴ = 630694069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630694087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 492476 + ... + 493754.

It is an arithmetic number, because the mean of its divisors is an integer number (27563520).

Almost surely, 2^630694085 is an apocalyptic number.

It is an amenable number.

630694085 is a deficient number, since it is larger than the sum of its proper divisors (251338555).

630694085 is a wasteful number, since it uses less digits than its factorization.

630694085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 630694085 is about 25113.6234940321. The cubic root of 630694085 is about 857.5765941776.

The spelling of 630694085 in words is "six hundred thirty million, six hundred ninety-four thousand, eighty-five".