38898839 has 8 divisors (see below), whose sum is σ = 47071008. Its totient is φ = 31380480.

The previous prime is 38898823. The next prime is 38898851. The reversal of 38898839 is 93889883.

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 38898839 - 2⁴ = 38898823 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 (38898859) 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, 163322 + ... + 163559.

It is an arithmetic number, because the mean of its divisors is an integer number (5883876).

Almost surely, 2^38898839 is an apocalyptic number.

38898839 is a deficient number, since it is larger than the sum of its proper divisors (8172169).

38898839 is a wasteful number, since it uses less digits than its factorization.

38898839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326905.

The product of its digits is 2985984, while the sum is 56.

The square root of 38898839 is about 6236.8933773153. The cubic root of 38898839 is about 338.8276781600.

The spelling of 38898839 in words is "thirty-eight million, eight hundred ninety-eight thousand, eight hundred thirty-nine".