38898442 has 16 divisors (see below), whose sum is σ = 64219392. Its totient is φ = 17523520.

The previous prime is 38898439. The next prime is 38898443. The reversal of 38898442 is 24489883.

It is a junction number, because it is equal to n+sod(n) for n = 38898392 and 38898401.

It is not an unprimeable number, because it can be changed into a prime (38898443) 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, 5338 + ... + 10309.

It is an arithmetic number, because the mean of its divisors is an integer number (4013712).

Almost surely, 2^38898442 is an apocalyptic number.

38898442 is a deficient number, since it is larger than the sum of its proper divisors (25320950).

38898442 is a wasteful number, since it uses less digits than its factorization.

38898442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15773.

The product of its digits is 442368, while the sum is 46.

The square root of 38898442 is about 6236.8615504916. The cubic root of 38898442 is about 338.8265254689.

It can be divided in two parts, 38898 and 442, that added together give a triangular number (39340 = T₂₈₀).

The spelling of 38898442 in words is "thirty-eight million, eight hundred ninety-eight thousand, four hundred forty-two".