39465389 has 2 divisors, whose sum is σ = 39465390. Its totient is φ = 39465388.

The previous prime is 39465379. The next prime is 39465403. The reversal of 39465389 is 98356493.

39465389 = 3626² + 3627² + 3628².

39465389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36808489 + 2656900 = 6067^2 + 1630^2 .

It is a cyclic number.

It is not a de Polignac number, because 39465389 - 2⁸ = 39465133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39465379) 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, 19732694 + 19732695.

It is an arithmetic number, because the mean of its divisors is an integer number (19732695).

Almost surely, 2^39465389 is an apocalyptic number.

It is an amenable number.

39465389 is a deficient number, since it is larger than the sum of its proper divisors (1).

39465389 is an equidigital number, since it uses as much as digits as its factorization.

39465389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 39465389 is about 6282.1484382335. The cubic root of 39465389 is about 340.4647306964.

The spelling of 39465389 in words is "thirty-nine million, four hundred sixty-five thousand, three hundred eighty-nine".