38896641 has 36 divisors (see below), whose sum is σ = 65839332. Its totient is φ = 22063104.

The previous prime is 38896633. The next prime is 38896643. The reversal of 38896641 is 14669883.

It can be written as a sum of positive squares in 2 ways, for example, as 22127616 + 16769025 = 4704^2 + 4095^2 .

It is not a de Polignac number, because 38896641 - 2³ = 38896633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38896643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 84885 + ... + 85341.

Almost surely, 2^38896641 is an apocalyptic number.

It is an amenable number.

38896641 is a deficient number, since it is larger than the sum of its proper divisors (26942691).

38896641 is a wasteful number, since it uses less digits than its factorization.

38896641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 660 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 38896641 is about 6236.7171653042. The cubic root of 38896641 is about 338.8212961592.

The spelling of 38896641 in words is "thirty-eight million, eight hundred ninety-six thousand, six hundred forty-one".