630496290 has 32 divisors (see below), whose sum is σ = 1562006016. Its totient is φ = 162708480.

The previous prime is 630496283. The next prime is 630496291. The reversal of 630496290 is 92694036.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (630496291) 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, 338047 + ... + 339906.

It is an arithmetic number, because the mean of its divisors is an integer number (48812688).

Almost surely, 2^630496290 is an apocalyptic number.

630496290 is an abundant number, since it is smaller than the sum of its proper divisors (931509726).

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

630496290 is a wasteful number, since it uses less digits than its factorization.

630496290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677994.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 630496290 is about 25109.6851832117. The cubic root of 630496290 is about 857.4869352332.

The spelling of 630496290 in words is "six hundred thirty million, four hundred ninety-six thousand, two hundred ninety".