38773489 has 2 divisors, whose sum is σ = 38773490. Its totient is φ = 38773488.

The previous prime is 38773477. The next prime is 38773499. The reversal of 38773489 is 98437783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35605089 + 3168400 = 5967^2 + 1780^2 .

It is a cyclic number.

It is not a de Polignac number, because 38773489 - 2⁵ = 38773457 is a prime.

It is not a weakly prime, because it can be changed into another prime (38773409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19386744 + 19386745.

It is an arithmetic number, because the mean of its divisors is an integer number (19386745).

Almost surely, 2^38773489 is an apocalyptic number.

It is an amenable number.

38773489 is a deficient number, since it is larger than the sum of its proper divisors (1).

38773489 is an equidigital number, since it uses as much as digits as its factorization.

38773489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 49.

The square root of 38773489 is about 6226.8361950512. The cubic root of 38773489 is about 338.4633335000.

The spelling of 38773489 in words is "thirty-eight million, seven hundred seventy-three thousand, four hundred eighty-nine".