384407613 has 10 divisors (see below), whose sum is σ = 574238654. Its totient is φ = 256271688.

The previous prime is 384407599. The next prime is 384407629. The reversal of 384407613 is 316704483.

384407613 is a `hidden beast` number, since 38 + 4 + 4 + 0 + 7 + 613 = 666.

It can be written as a sum of positive squares in only one way, i.e., 371641284 + 12766329 = 19278^2 + 3573^2 .

It is not a de Polignac number, because 384407613 - 2⁶ = 384407549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384407693) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2372806 + ... + 2372967.

Almost surely, 2^384407613 is an apocalyptic number.

It is an amenable number.

384407613 is a deficient number, since it is larger than the sum of its proper divisors (189831041).

384407613 is an equidigital number, since it uses as much as digits as its factorization.

384407613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745785 (or 4745776 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 384407613 is about 19606.3156406297. The cubic root of 384407613 is about 727.1053274296.

The spelling of 384407613 in words is "three hundred eighty-four million, four hundred seven thousand, six hundred thirteen".