383636479 has 2 divisors, whose sum is σ = 383636480. Its totient is φ = 383636478.

The previous prime is 383636471. The next prime is 383636483. The reversal of 383636479 is 974636383.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 383636479 - 2³ = 383636471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (383636471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191818239 + 191818240.

It is an arithmetic number, because the mean of its divisors is an integer number (191818240).

Almost surely, 2^383636479 is an apocalyptic number.

383636479 is a deficient number, since it is larger than the sum of its proper divisors (1).

383636479 is an equidigital number, since it uses as much as digits as its factorization.

383636479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 49.

The square root of 383636479 is about 19586.6403193605. The cubic root of 383636479 is about 726.6188030880.

The spelling of 383636479 in words is "three hundred eighty-three million, six hundred thirty-six thousand, four hundred seventy-nine".