38961411 has 4 divisors (see below), whose sum is σ = 51948552. Its totient is φ = 25974272.

The previous prime is 38961409. The next prime is 38961431. The reversal of 38961411 is 11416983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38961411 - 2¹ = 38961409 is a prime.

It is a super-2 number, since 2×38961411² = 3035983094221842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38961431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6493566 + ... + 6493571.

It is an arithmetic number, because the mean of its divisors is an integer number (12987138).

Almost surely, 2^38961411 is an apocalyptic number.

38961411 is a deficient number, since it is larger than the sum of its proper divisors (12987141).

38961411 is a wasteful number, since it uses less digits than its factorization.

38961411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12987140.

The product of its digits is 5184, while the sum is 33.

The square root of 38961411 is about 6241.9076410982. The cubic root of 38961411 is about 339.0092582813.

The spelling of 38961411 in words is "thirty-eight million, nine hundred sixty-one thousand, four hundred eleven".