404434199 has 16 divisors (see below), whose sum is σ = 465756480. Its totient is φ = 347865600.

The previous prime is 404434181. The next prime is 404434207. The reversal of 404434199 is 991434404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 404434199 - 2²⁸ = 135998743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404434169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13262 + ... + 31380.

It is an arithmetic number, because the mean of its divisors is an integer number (29109780).

Almost surely, 2^404434199 is an apocalyptic number.

404434199 is a deficient number, since it is larger than the sum of its proper divisors (61322281).

404434199 is a wasteful number, since it uses less digits than its factorization.

404434199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18250.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 404434199 is about 20110.5494455025. The cubic root of 404434199 is about 739.5189221595.

The spelling of 404434199 in words is "four hundred four million, four hundred thirty-four thousand, one hundred ninety-nine".