38640877 has 8 divisors (see below), whose sum is σ = 42845472. Its totient is φ = 34551600.

The previous prime is 38640857. The next prime is 38640907. The reversal of 38640877 is 77804683.

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 38640877 - 2²³ = 30252269 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 (38640857) 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, 28123 + ... + 29464.

It is an arithmetic number, because the mean of its divisors is an integer number (5355684).

Almost surely, 2^38640877 is an apocalyptic number.

It is an amenable number.

38640877 is a deficient number, since it is larger than the sum of its proper divisors (4204595).

38640877 is a wasteful number, since it uses less digits than its factorization.

38640877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57659.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 38640877 is about 6216.1786492989. The cubic root of 38640877 is about 338.0770251497.

The spelling of 38640877 in words is "thirty-eight million, six hundred forty thousand, eight hundred seventy-seven".