38477961 has 6 divisors (see below), whose sum is σ = 55579290. Its totient is φ = 25651968.

The previous prime is 38477941. The next prime is 38478001. The reversal of 38477961 is 16977483.

It can be written as a sum of positive squares in only one way, i.e., 26010000 + 12467961 = 5100^2 + 3531^2 .

It is not a de Polignac number, because 38477961 - 2⁷ = 38477833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38477921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2137656 + ... + 2137673.

It is an arithmetic number, because the mean of its divisors is an integer number (9263215).

Almost surely, 2^38477961 is an apocalyptic number.

It is an amenable number.

38477961 is a deficient number, since it is larger than the sum of its proper divisors (17101329).

38477961 is a wasteful number, since it uses less digits than its factorization.

38477961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275335 (or 4275332 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 38477961 is about 6203.0606155349. The cubic root of 38477961 is about 337.6012272488.

The spelling of 38477961 in words is "thirty-eight million, four hundred seventy-seven thousand, nine hundred sixty-one".