438120336 has 20 divisors (see below), whose sum is σ = 1131810992. Its totient is φ = 146040096.

The previous prime is 438120329. The next prime is 438120341. The reversal of 438120336 is 633021834.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4563706 + ... + 4563801.

Almost surely, 2^438120336 is an apocalyptic number.

It is an amenable number.

438120336 is an abundant number, since it is smaller than the sum of its proper divisors (693690656).

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

438120336 is a wasteful number, since it uses less digits than its factorization.

438120336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9127518 (or 9127512 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 438120336 is about 20931.3242772644. The cubic root of 438120336 is about 759.5058745591.

The spelling of 438120336 in words is "four hundred thirty-eight million, one hundred twenty thousand, three hundred thirty-six".