38452971 has 4 divisors (see below), whose sum is σ = 51270632. Its totient is φ = 25635312.

The previous prime is 38452913. The next prime is 38452991. The reversal of 38452971 is 17925483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17925483 = 3 ⋅5975161.

It is not a de Polignac number, because 38452971 - 2²² = 34258667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38452991) 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, 6408826 + ... + 6408831.

It is an arithmetic number, because the mean of its divisors is an integer number (12817658).

Almost surely, 2^38452971 is an apocalyptic number.

38452971 is a deficient number, since it is larger than the sum of its proper divisors (12817661).

38452971 is a wasteful number, since it uses less digits than its factorization.

38452971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12817660.

The product of its digits is 60480, while the sum is 39.

The square root of 38452971 is about 6201.0459601587. The cubic root of 38452971 is about 337.5281249539.

The spelling of 38452971 in words is "thirty-eight million, four hundred fifty-two thousand, nine hundred seventy-one".