630914834 has 16 divisors (see below), whose sum is σ = 1056417120. Its totient is φ = 280109760.

The previous prime is 630914833. The next prime is 630914839. The reversal of 630914834 is 438419036.

It is a super-2 number, since 2×630914834² = 796107055522495112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (630914833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332519 + ... + 334410.

It is an arithmetic number, because the mean of its divisors is an integer number (66026070).

Almost surely, 2^630914834 is an apocalyptic number.

630914834 is a deficient number, since it is larger than the sum of its proper divisors (425502286).

630914834 is a wasteful number, since it uses less digits than its factorization.

630914834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666985.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 630914834 is about 25118.0181144930. The cubic root of 630914834 is about 857.6766358606.

The spelling of 630914834 in words is "six hundred thirty million, nine hundred fourteen thousand, eight hundred thirty-four".