404894699 has 4 divisors (see below), whose sum is σ = 441703320. Its totient is φ = 368086080.

The previous prime is 404894687. The next prime is 404894773. The reversal of 404894699 is 996498404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404894699 - 2¹⁶ = 404829163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404894699.

It is not an unprimeable number, because it can be changed into a prime (404894299) 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, 18404294 + ... + 18404315.

It is an arithmetic number, because the mean of its divisors is an integer number (110425830).

Almost surely, 2^404894699 is an apocalyptic number.

404894699 is a deficient number, since it is larger than the sum of its proper divisors (36808621).

404894699 is a wasteful number, since it uses less digits than its factorization.

404894699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36808620.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The square root of 404894699 is about 20121.9954030409. The cubic root of 404894699 is about 739.7994946182.

The spelling of 404894699 in words is "four hundred four million, eight hundred ninety-four thousand, six hundred ninety-nine".