38613197 has 16 divisors (see below), whose sum is σ = 46006272. Its totient is φ = 31710960.

The previous prime is 38613191. The next prime is 38613217. The reversal of 38613197 is 79131683.

It is a cyclic number.

It is not a de Polignac number, because 38613197 - 2¹⁰ = 38612173 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 38613197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38613191) 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, 22388 + ... + 24050.

It is an arithmetic number, because the mean of its divisors is an integer number (2875392).

Almost surely, 2^38613197 is an apocalyptic number.

It is an amenable number.

38613197 is a deficient number, since it is larger than the sum of its proper divisors (7393075).

38613197 is a wasteful number, since it uses less digits than its factorization.

38613197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808.

The product of its digits is 27216, while the sum is 38.

The square root of 38613197 is about 6213.9518021948. The cubic root of 38613197 is about 337.9962798512.

The spelling of 38613197 in words is "thirty-eight million, six hundred thirteen thousand, one hundred ninety-seven".