38277989 has 8 divisors (see below), whose sum is σ = 40404000. Its totient is φ = 36163152.

The previous prime is 38277979. The next prime is 38277991. The reversal of 38277989 is 98977283.

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 38277989 - 2⁴ = 38277973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38277989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38277919) 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, 4802 + ... + 9980.

It is an arithmetic number, because the mean of its divisors is an integer number (5050500).

Almost surely, 2^38277989 is an apocalyptic number.

It is an amenable number.

38277989 is a deficient number, since it is larger than the sum of its proper divisors (2126011).

38277989 is a wasteful number, since it uses less digits than its factorization.

38277989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5587.

The product of its digits is 1524096, while the sum is 53.

The square root of 38277989 is about 6186.9208011740. The cubic root of 38277989 is about 337.0153673427.

The spelling of 38277989 in words is "thirty-eight million, two hundred seventy-seven thousand, nine hundred eighty-nine".