38506973 has 8 divisors (see below), whose sum is σ = 40469088. Its totient is φ = 36593424.

The previous prime is 38506969. The next prime is 38506981. The reversal of 38506973 is 37960583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38506973 - 2² = 38506969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38506973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38506903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10511 + ... + 13692.

It is an arithmetic number, because the mean of its divisors is an integer number (5058636).

Almost surely, 2^38506973 is an apocalyptic number.

It is an amenable number.

38506973 is a deficient number, since it is larger than the sum of its proper divisors (1962115).

38506973 is a wasteful number, since it uses less digits than its factorization.

38506973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24283.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 38506973 is about 6205.3986979081. The cubic root of 38506973 is about 337.6860552554.

The spelling of 38506973 in words is "thirty-eight million, five hundred six thousand, nine hundred seventy-three".