438485630 has 32 divisors (see below), whose sum is σ = 863699328. Its totient is φ = 158954400.

The previous prime is 438485617. The next prime is 438485681. The reversal of 438485630 is 36584834.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30389 + ... + 42431.

It is an arithmetic number, because the mean of its divisors is an integer number (26990604).

Almost surely, 2^438485630 is an apocalyptic number.

438485630 is a deficient number, since it is larger than the sum of its proper divisors (425213698).

438485630 is a wasteful number, since it uses less digits than its factorization.

438485630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12392.

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 438485630 is about 20940.0484717682. The cubic root of 438485630 is about 759.7169017157.

The spelling of 438485630 in words is "four hundred thirty-eight million, four hundred eighty-five thousand, six hundred thirty".