406383959 has 4 divisors (see below), whose sum is σ = 406424304. Its totient is φ = 406343616.

The previous prime is 406383953. The next prime is 406383983. The reversal of 406383959 is 959383604.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 406383959 - 2²⁴ = 389606743 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 (406383953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8999 + ... + 29895.

It is an arithmetic number, because the mean of its divisors is an integer number (101606076).

Almost surely, 2^406383959 is an apocalyptic number.

406383959 is a deficient number, since it is larger than the sum of its proper divisors (40345).

406383959 is a wasteful number, since it uses less digits than its factorization.

406383959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40344.

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

The square root of 406383959 is about 20158.9672106485. The cubic root of 406383959 is about 740.7054139016.

The spelling of 406383959 in words is "four hundred six million, three hundred eighty-three thousand, nine hundred fifty-nine".