404200349 has 4 divisors (see below), whose sum is σ = 461943264. Its totient is φ = 346457436.

The previous prime is 404200337. The next prime is 404200361. The reversal of 404200349 is 943002404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (404200337) and next prime (404200361).

It is a cyclic number.

It is not a de Polignac number, because 404200349 - 2⁴ = 404200333 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 (404200309) 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, 28871447 + ... + 28871460.

It is an arithmetic number, because the mean of its divisors is an integer number (115485816).

Almost surely, 2^404200349 is an apocalyptic number.

It is an amenable number.

404200349 is a deficient number, since it is larger than the sum of its proper divisors (57742915).

404200349 is an equidigital number, since it uses as much as digits as its factorization.

404200349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57742914.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 404200349 is about 20104.7344921538. The cubic root of 404200349 is about 739.3763609859.

The spelling of 404200349 in words is "four hundred four million, two hundred thousand, three hundred forty-nine".