38977933 has 2 divisors, whose sum is σ = 38977934. Its totient is φ = 38977932.

The previous prime is 38977927. The next prime is 38977997. The reversal of 38977933 is 33977983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32228329 + 6749604 = 5677^2 + 2598^2 .

It is a cyclic number.

It is not a de Polignac number, because 38977933 - 2⁵ = 38977901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38977033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19488966 + 19488967.

It is an arithmetic number, because the mean of its divisors is an integer number (19488967).

Almost surely, 2^38977933 is an apocalyptic number.

It is an amenable number.

38977933 is a deficient number, since it is larger than the sum of its proper divisors (1).

38977933 is an equidigital number, since it uses as much as digits as its factorization.

38977933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 49.

The square root of 38977933 is about 6243.2309744234. The cubic root of 38977933 is about 339.0571716676.

The spelling of 38977933 in words is "thirty-eight million, nine hundred seventy-seven thousand, nine hundred thirty-three".