38879220 has 24 divisors (see below), whose sum is σ = 108861984. Its totient is φ = 10367776.

The previous prime is 38879219. The next prime is 38879231. The reversal of 38879220 is 2297883.

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, 323934 + ... + 324053.

It is an arithmetic number, because the mean of its divisors is an integer number (4535916).

Almost surely, 2^38879220 is an apocalyptic number.

38879220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38879220 is an abundant number, since it is smaller than the sum of its proper divisors (69982764).

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

38879220 is a wasteful number, since it uses less digits than its factorization.

38879220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647999 (or 647997 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 38879220 is about 6235.3203606551. The cubic root of 38879220 is about 338.7707049249.

The spelling of 38879220 in words is "thirty-eight million, eight hundred seventy-nine thousand, two hundred twenty".