80439000 has 64 divisors (see below), whose sum is σ = 250979040. Its totient is φ = 21449600.

The previous prime is 80438987. The next prime is 80439013. The reversal of 80439000 is 93408.

It is an interprime number because it is at equal distance from previous prime (80438987) and next prime (80439013).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 10407 + ... + 16406.

Almost surely, 2^80439000 is an apocalyptic number.

It is an amenable number.

80439000 is an abundant number, since it is smaller than the sum of its proper divisors (170540040).

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

80439000 is a wasteful number, since it uses less digits than its factorization.

80439000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26837 (or 26823 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 80439000 is about 8968.7791811372. The cubic root of 80439000 is about 431.6736647262.

The spelling of 80439000 in words is "eighty million, four hundred thirty-nine thousand".