38966937 has 16 divisors (see below), whose sum is σ = 52778880. Its totient is φ = 25569792.

The previous prime is 38966903. The next prime is 38966951. The reversal of 38966937 is 73966983.

It is a happy number.

It is not a de Polignac number, because 38966937 - 2¹¹ = 38964889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38966937.

It is not an unprimeable number, because it can be changed into a prime (38966237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104283 + ... + 104655.

It is an arithmetic number, because the mean of its divisors is an integer number (3298680).

Almost surely, 2^38966937 is an apocalyptic number.

It is an amenable number.

38966937 is a deficient number, since it is larger than the sum of its proper divisors (13811943).

38966937 is a wasteful number, since it uses less digits than its factorization.

38966937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its digits is 1469664, while the sum is 51.

The square root of 38966937 is about 6242.3502785409. The cubic root of 38966937 is about 339.0252850503.

It can be divided in two parts, 38966 and 937, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 38966937 in words is "thirty-eight million, nine hundred sixty-six thousand, nine hundred thirty-seven".