38872547 has 8 divisors (see below), whose sum is σ = 44765952. Its totient is φ = 33064200.

The previous prime is 38872513. The next prime is 38872549. The reversal of 38872547 is 74527883.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38872547 - 2¹⁰ = 38871523 is a prime.

It is a super-2 number, since 2×38872547² = 3022149820534418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38872498 and 38872507.

It is not an unprimeable number, because it can be changed into a prime (38872549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20279 + ... + 22112.

It is an arithmetic number, because the mean of its divisors is an integer number (5595744).

Almost surely, 2^38872547 is an apocalyptic number.

38872547 is a deficient number, since it is larger than the sum of its proper divisors (5893405).

38872547 is a wasteful number, since it uses less digits than its factorization.

38872547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42529.

The product of its digits is 376320, while the sum is 44.

The square root of 38872547 is about 6234.7852408884. The cubic root of 38872547 is about 338.7513222808.

The spelling of 38872547 in words is "thirty-eight million, eight hundred seventy-two thousand, five hundred forty-seven".