38981962 has 8 divisors (see below), whose sum is σ = 58505796. Its totient is φ = 19480032.

The previous prime is 38981923. The next prime is 38981981. The reversal of 38981962 is 26918983.

It can be written as a sum of positive squares in 2 ways, for example, as 31147561 + 7834401 = 5581^2 + 2799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×38981962² = 3039186722738888, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 118 + ... + 8830.

Almost surely, 2^38981962 is an apocalyptic number.

38981962 is a deficient number, since it is larger than the sum of its proper divisors (19523834).

38981962 is a wasteful number, since it uses less digits than its factorization.

38981962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10952.

The product of its digits is 186624, while the sum is 46.

The square root of 38981962 is about 6243.5536355508. The cubic root of 38981962 is about 339.0688536132.

The spelling of 38981962 in words is "thirty-eight million, nine hundred eighty-one thousand, nine hundred sixty-two".