38881898 has 12 divisors (see below), whose sum is σ = 64107330. Its totient is φ = 17673480.

The previous prime is 38881883. The next prime is 38881903. The reversal of 38881898 is 89818883.

It can be written as a sum of positive squares in only one way, i.e., 34374769 + 4507129 = 5863^2 + 2123^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80093 + ... + 80576.

Almost surely, 2^38881898 is an apocalyptic number.

38881898 is a deficient number, since it is larger than the sum of its proper divisors (25225432).

38881898 is a wasteful number, since it uses less digits than its factorization.

38881898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160693 (or 160682 counting only the distinct ones).

The product of its digits is 884736, while the sum is 53.

The square root of 38881898 is about 6235.5351013365. The cubic root of 38881898 is about 338.7784829198.

The spelling of 38881898 in words is "thirty-eight million, eight hundred eighty-one thousand, eight hundred ninety-eight".