404361849 has 4 divisors (see below), whose sum is σ = 539149136. Its totient is φ = 269574564.

The previous prime is 404361823. The next prime is 404361851. The reversal of 404361849 is 948163404.

It is a happy number.

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 not a de Polignac number, because 404361849 - 2⁸ = 404361593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404361899) 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, 67393639 + ... + 67393644.

It is an arithmetic number, because the mean of its divisors is an integer number (134787284).

Almost surely, 2^404361849 is an apocalyptic number.

It is an amenable number.

404361849 is a deficient number, since it is larger than the sum of its proper divisors (134787287).

404361849 is a wasteful number, since it uses less digits than its factorization.

404361849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134787286.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 404361849 is about 20108.7505579039. The cubic root of 404361849 is about 739.4748215494.

The spelling of 404361849 in words is "four hundred four million, three hundred sixty-one thousand, eight hundred forty-nine".