38420586 has 24 divisors (see below), whose sum is σ = 85182240. Its totient is φ = 12508776.

The previous prime is 38420581. The next prime is 38420593. The reversal of 38420586 is 68502483.

38420586 is a `hidden beast` number, since 38 + 42 + 0 + 586 = 666.

It is a super-2 number, since 2×38420586² = 2952282857166792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38420586.

It is not an unprimeable number, because it can be changed into a prime (38420581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24046 + ... + 25593.

It is an arithmetic number, because the mean of its divisors is an integer number (3549260).

Almost surely, 2^38420586 is an apocalyptic number.

38420586 is an abundant number, since it is smaller than the sum of its proper divisors (46761654).

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

38420586 is a wasteful number, since it uses less digits than its factorization.

38420586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49690 (or 49687 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 38420586 is about 6198.4341571077. The cubic root of 38420586 is about 337.4333432146.

The spelling of 38420586 in words is "thirty-eight million, four hundred twenty thousand, five hundred eighty-six".