336636407 has 2 divisors, whose sum is σ = 336636408. Its totient is φ = 336636406.

The previous prime is 336636389. The next prime is 336636413. The reversal of 336636407 is 704636633.

It is a strong prime.

It is an emirp because it is prime and its reverse (704636633) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 336636407 - 2¹⁸ = 336374263 is a prime.

It is a super-2 number, since 2×336636407² = 226648141035739298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (336636427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168318203 + 168318204.

It is an arithmetic number, because the mean of its divisors is an integer number (168318204).

Almost surely, 2^336636407 is an apocalyptic number.

336636407 is a deficient number, since it is larger than the sum of its proper divisors (1).

336636407 is an equidigital number, since it uses as much as digits as its factorization.

336636407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 38.

The square root of 336636407 is about 18347.6539917233. The cubic root of 336636407 is about 695.6439743128.

The spelling of 336636407 in words is "three hundred thirty-six million, six hundred thirty-six thousand, four hundred seven".