38389877 has 4 divisors (see below), whose sum is σ = 38427456. Its totient is φ = 38352300.

The previous prime is 38389867. The next prime is 38389891. The reversal of 38389877 is 77898383.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77898383 = 6343 ⋅12281.

It is a cyclic number.

It is not a de Polignac number, because 38389877 - 2²⁰ = 37341301 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 (38389807) 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, 17213 + ... + 19314.

It is an arithmetic number, because the mean of its divisors is an integer number (9606864).

Almost surely, 2^38389877 is an apocalyptic number.

It is an amenable number.

38389877 is a deficient number, since it is larger than the sum of its proper divisors (37579).

38389877 is a wasteful number, since it uses less digits than its factorization.

38389877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37578.

The product of its digits is 2032128, while the sum is 53.

The square root of 38389877 is about 6195.9565040436. The cubic root of 38389877 is about 337.3434174428.

The spelling of 38389877 in words is "thirty-eight million, three hundred eighty-nine thousand, eight hundred seventy-seven".