39028881 has 8 divisors (see below), whose sum is σ = 52285984. Its totient is φ = 25895520.

The previous prime is 39028879. The next prime is 39028901. The reversal of 39028881 is 18882093.

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

It is not a de Polignac number, because 39028881 - 2¹ = 39028879 is a prime.

It is a super-2 number, since 2×39028881² = 3046507104224322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39028181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30196 + ... + 31461.

It is an arithmetic number, because the mean of its divisors is an integer number (6535748).

Almost surely, 2^39028881 is an apocalyptic number.

It is an amenable number.

39028881 is a deficient number, since it is larger than the sum of its proper divisors (13257103).

39028881 is a wasteful number, since it uses less digits than its factorization.

39028881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61871.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 39028881 is about 6247.3099010694. The cubic root of 39028881 is about 339.2048343964.

The spelling of 39028881 in words is "thirty-nine million, twenty-eight thousand, eight hundred eighty-one".