38364220 has 24 divisors (see below), whose sum is σ = 82281024. Its totient is φ = 15018816.

The previous prime is 38364199. The next prime is 38364239. The reversal of 38364220 is 2246383.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19467 + ... + 21346.

It is an arithmetic number, because the mean of its divisors is an integer number (3428376).

Almost surely, 2^38364220 is an apocalyptic number.

It is an amenable number.

38364220 is an abundant number, since it is smaller than the sum of its proper divisors (43916804).

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

38364220 is a wasteful number, since it uses less digits than its factorization.

38364220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40869 (or 40867 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 38364220 is about 6193.8856947800. The cubic root of 38364220 is about 337.2682487644.

The spelling of 38364220 in words is "thirty-eight million, three hundred sixty-four thousand, two hundred twenty".