38977091 has 2 divisors, whose sum is σ = 38977092. Its totient is φ = 38977090.

The previous prime is 38977079. The next prime is 38977097. The reversal of 38977091 is 19077983.

38977091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38977091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38977097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19488545 + 19488546.

It is an arithmetic number, because the mean of its divisors is an integer number (19488546).

Almost surely, 2^38977091 is an apocalyptic number.

38977091 is a deficient number, since it is larger than the sum of its proper divisors (1).

38977091 is an equidigital number, since it uses as much as digits as its factorization.

38977091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 38977091 is about 6243.1635410263. The cubic root of 38977091 is about 339.0547302162.

The spelling of 38977091 in words is "thirty-eight million, nine hundred seventy-seven thousand, ninety-one".