38420236 has 12 divisors (see below), whose sum is σ = 67888912. Its totient is φ = 19023408.

The previous prime is 38420227. The next prime is 38420237. The reversal of 38420236 is 63202483.

It is a super-2 number, since 2×38420236² = 2952229068591392, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38420237) 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, 46215 + ... + 47038.

Almost surely, 2^38420236 is an apocalyptic number.

It is an amenable number.

38420236 is a deficient number, since it is larger than the sum of its proper divisors (29468676).

38420236 is a wasteful number, since it uses less digits than its factorization.

38420236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93360 (or 93358 counting only the distinct ones).

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

The square root of 38420236 is about 6198.4059241066. The cubic root of 38420236 is about 337.4323185727.

The spelling of 38420236 in words is "thirty-eight million, four hundred twenty thousand, two hundred thirty-six".