38408977 has 2 divisors, whose sum is σ = 38408978. Its totient is φ = 38408976.

The previous prime is 38408971. The next prime is 38409029. The reversal of 38408977 is 77980483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36978561 + 1430416 = 6081^2 + 1196^2 .

It is a cyclic number.

It is not a de Polignac number, because 38408977 - 2¹⁵ = 38376209 is a prime.

It is not a weakly prime, because it can be changed into another prime (38408971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19204488 + 19204489.

It is an arithmetic number, because the mean of its divisors is an integer number (19204489).

Almost surely, 2^38408977 is an apocalyptic number.

It is an amenable number.

38408977 is a deficient number, since it is larger than the sum of its proper divisors (1).

38408977 is an equidigital number, since it uses as much as digits as its factorization.

38408977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 38408977 is about 6197.4976401770. The cubic root of 38408977 is about 337.3993539856.

The spelling of 38408977 in words is "thirty-eight million, four hundred eight thousand, nine hundred seventy-seven".