38163497 has 4 divisors (see below), whose sum is σ = 39094356. Its totient is φ = 37232640.

The previous prime is 38163493. The next prime is 38163523. The reversal of 38163497 is 79436183.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21752896 + 16410601 = 4664^2 + 4051^2 .

It is a cyclic number.

It is not a de Polignac number, because 38163497 - 2² = 38163493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 930817 = 38163497 / (3 + 8 + 1 + 6 + 3 + 4 + 9 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38163493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465368 + ... + 465449.

It is an arithmetic number, because the mean of its divisors is an integer number (9773589).

Almost surely, 2^38163497 is an apocalyptic number.

It is an amenable number.

38163497 is a deficient number, since it is larger than the sum of its proper divisors (930859).

38163497 is an equidigital number, since it uses as much as digits as its factorization.

38163497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930858.

The product of its digits is 108864, while the sum is 41.

The square root of 38163497 is about 6177.6611269962. The cubic root of 38163497 is about 336.6790200131.

The spelling of 38163497 in words is "thirty-eight million, one hundred sixty-three thousand, four hundred ninety-seven".