1438079368 has 32 divisors (see below), whose sum is σ = 3114560160. Its totient is φ = 615220480.

The previous prime is 1438079329. The next prime is 1438079441. The reversal of 1438079368 is 8639708341.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479146 + ... + 482137.

It is an arithmetic number, because the mean of its divisors is an integer number (97330005).

Almost surely, 2^1438079368 is an apocalyptic number.

It is an amenable number.

1438079368 is an abundant number, since it is smaller than the sum of its proper divisors (1676480792).

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

1438079368 is a wasteful number, since it uses less digits than its factorization.

1438079368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961317 (or 961313 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 1438079368 is about 37922.0169294831. The cubic root of 1438079368 is about 1128.7409601983.

The spelling of 1438079368 in words is "one billion, four hundred thirty-eight million, seventy-nine thousand, three hundred sixty-eight".