38870863 has 4 divisors (see below), whose sum is σ = 38891608. Its totient is φ = 38850120.

The previous prime is 38870849. The next prime is 38870893. The reversal of 38870863 is 36807883.

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

It is a cyclic number.

It is not a de Polignac number, because 38870863 - 2¹³ = 38862671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38870813) 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, 7248 + ... + 11413.

It is an arithmetic number, because the mean of its divisors is an integer number (9722902).

Almost surely, 2^38870863 is an apocalyptic number.

38870863 is a deficient number, since it is larger than the sum of its proper divisors (20745).

38870863 is a wasteful number, since it uses less digits than its factorization.

38870863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20744.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 38870863 is about 6234.6501906683. The cubic root of 38870863 is about 338.7464305212.

The spelling of 38870863 in words is "thirty-eight million, eight hundred seventy thousand, eight hundred sixty-three".