38102957 has 4 divisors (see below), whose sum is σ = 38480316. Its totient is φ = 37725600.

The previous prime is 38102951. The next prime is 38102969. The reversal of 38102957 is 75920183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75920183 = 83 ⋅914701.

It can be written as a sum of positive squares in 2 ways, for example, as 28079401 + 10023556 = 5299^2 + 3166^2 .

It is a cyclic number.

It is not a de Polignac number, because 38102957 - 2⁴ = 38102941 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38102951) 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, 188528 + ... + 188729.

It is an arithmetic number, because the mean of its divisors is an integer number (9620079).

Almost surely, 2^38102957 is an apocalyptic number.

It is an amenable number.

38102957 is a deficient number, since it is larger than the sum of its proper divisors (377359).

38102957 is a wasteful number, since it uses less digits than its factorization.

38102957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377358.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 38102957 is about 6172.7592695649. The cubic root of 38102957 is about 336.5008974893.

The spelling of 38102957 in words is "thirty-eight million, one hundred two thousand, nine hundred fifty-seven".