80038381 has 4 divisors (see below), whose sum is σ = 80480764. Its totient is φ = 79596000.

The previous prime is 80038349. The next prime is 80038403. The reversal of 80038381 is 18383008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12716356 + 67322025 = 3566^2 + 8205^2 .

It is a cyclic number.

It is not a de Polignac number, because 80038381 - 2⁵ = 80038349 is a prime.

It is a super-2 number, since 2×80038381² = 12812284866202322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80038331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220920 + ... + 221281.

It is an arithmetic number, because the mean of its divisors is an integer number (20120191).

Almost surely, 2^80038381 is an apocalyptic number.

It is an amenable number.

80038381 is a deficient number, since it is larger than the sum of its proper divisors (442383).

80038381 is a wasteful number, since it uses less digits than its factorization.

80038381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442382.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 80038381 is about 8946.4172158468. The cubic root of 80038381 is about 430.9558347877.

It can be divided in two parts, 8003 and 8381, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 80038381 in words is "eighty million, thirty-eight thousand, three hundred eighty-one".