38196917 has 6 divisors (see below), whose sum is σ = 41985174. Its totient is φ = 34724360.

The previous prime is 38196911. The next prime is 38196923. The reversal of 38196917 is 71969183.

It is an interprime number because it is at equal distance from previous prime (38196911) and next prime (38196923).

It can be written as a sum of positive squares in only one way, i.e., 24940036 + 13256881 = 4994^2 + 3641^2 .

It is not a de Polignac number, because 38196917 - 2¹² = 38192821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38196911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157718 + ... + 157959.

It is an arithmetic number, because the mean of its divisors is an integer number (6997529).

Almost surely, 2^38196917 is an apocalyptic number.

It is an amenable number.

38196917 is a deficient number, since it is larger than the sum of its proper divisors (3788257).

38196917 is a wasteful number, since it uses less digits than its factorization.

38196917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315699 (or 315688 counting only the distinct ones).

The product of its digits is 81648, while the sum is 44.

The square root of 38196917 is about 6180.3654422696. The cubic root of 38196917 is about 336.7772686093. Note that the first 3 decimals are identical.

The spelling of 38196917 in words is "thirty-eight million, one hundred ninety-six thousand, nine hundred seventeen".