38962789 has 2 divisors, whose sum is σ = 38962790. Its totient is φ = 38962788.

The previous prime is 38962757. The next prime is 38962799. The reversal of 38962789 is 98726983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38962564 + 225 = 6242^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 38962789 - 2⁵ = 38962757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38962799) 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, 19481394 + 19481395.

It is an arithmetic number, because the mean of its divisors is an integer number (19481395).

Almost surely, 2^38962789 is an apocalyptic number.

It is an amenable number.

38962789 is a deficient number, since it is larger than the sum of its proper divisors (1).

38962789 is an equidigital number, since it uses as much as digits as its factorization.

38962789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 38962789 is about 6242.0180230435. The cubic root of 38962789 is about 339.0132549645.

The spelling of 38962789 in words is "thirty-eight million, nine hundred sixty-two thousand, seven hundred eighty-nine".