39220880 has 40 divisors (see below), whose sum is σ = 91460664. Its totient is φ = 15641600.

The previous prime is 39220879. The next prime is 39220919. The reversal of 39220880 is 8802293.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2835856 + 36385024 = 1684^2 + 6032^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent 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, 41210 + ... + 42150.

Almost surely, 2^39220880 is an apocalyptic number.

It is an amenable number.

39220880 is an abundant number, since it is smaller than the sum of its proper divisors (52239784).

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

39220880 is a wasteful number, since it uses less digits than its factorization.

39220880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 39220880 is about 6262.6575828477. The cubic root of 39220880 is about 339.7601537978.

The spelling of 39220880 in words is "thirty-nine million, two hundred twenty thousand, eight hundred eighty".