38164265 has 4 divisors (see below), whose sum is σ = 45797124. Its totient is φ = 30531408.

The previous prime is 38164253. The next prime is 38164277. The reversal of 38164265 is 56246183.

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

It is an interprime number because it is at equal distance from previous prime (38164253) and next prime (38164277).

It can be written as a sum of positive squares in 2 ways, for example, as 24049216 + 14115049 = 4904^2 + 3757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38164265 is a prime.

It is a super-2 number, since 2×38164265² = 2913022245980450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3816422 + ... + 3816431.

It is an arithmetic number, because the mean of its divisors is an integer number (11449281).

Almost surely, 2^38164265 is an apocalyptic number.

It is an amenable number.

38164265 is a deficient number, since it is larger than the sum of its proper divisors (7632859).

38164265 is an equidigital number, since it uses as much as digits as its factorization.

38164265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7632858.

The product of its digits is 34560, while the sum is 35.

The square root of 38164265 is about 6177.7232861306. The cubic root of 38164265 is about 336.6812784343.

It can be divided in two parts, 381 and 64265, that added together give a palindrome (64646).

The spelling of 38164265 in words is "thirty-eight million, one hundred sixty-four thousand, two hundred sixty-five".