38840577 has 4 divisors (see below), whose sum is σ = 51787440. Its totient is φ = 25893716.

The previous prime is 38840539. The next prime is 38840603. The reversal of 38840577 is 77504883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38840577 - 2⁶ = 38840513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38840177) 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, 6473427 + ... + 6473432.

It is an arithmetic number, because the mean of its divisors is an integer number (12946860).

Almost surely, 2^38840577 is an apocalyptic number.

It is an amenable number.

38840577 is a deficient number, since it is larger than the sum of its proper divisors (12946863).

38840577 is a wasteful number, since it uses less digits than its factorization.

38840577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12946862.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 38840577 is about 6232.2208722092. The cubic root of 38840577 is about 338.6584302450.

The spelling of 38840577 in words is "thirty-eight million, eight hundred forty thousand, five hundred seventy-seven".