80638 has 8 divisors (see below), whose sum is σ = 126288. Its totient is φ = 38544.

The previous prime is 80629. The next prime is 80651. The reversal of 80638 is 83608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 831 + ... + 922.

It is an arithmetic number, because the mean of its divisors is an integer number (15786).

2⁸⁰⁶³⁸ is an apocalyptic number.

80638 is a deficient number, since it is larger than the sum of its proper divisors (45650).

80638 is a wasteful number, since it uses less digits than its factorization.

80638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 80638 is about 283.9683080909. The cubic root of 80638 is about 43.2029347572.

It can be divided in two parts, 806 and 38, that multiplied together give a triangular number (30628 = T₂₄₇).

The spelling of 80638 in words is "eighty thousand, six hundred thirty-eight".