404482399 has 4 divisors (see below), whose sum is σ = 411113320. Its totient is φ = 397851480.

The previous prime is 404482391. The next prime is 404482453. The reversal of 404482399 is 993284404.

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 404482399 - 2³ = 404482391 is a prime.

It is a super-2 number, since 2×404482399² = 327212022201590402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404482391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3315369 + ... + 3315490.

It is an arithmetic number, because the mean of its divisors is an integer number (102778330).

Almost surely, 2^404482399 is an apocalyptic number.

404482399 is a deficient number, since it is larger than the sum of its proper divisors (6630921).

404482399 is an equidigital number, since it uses as much as digits as its factorization.

404482399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6630920.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 404482399 is about 20111.7477858092. The cubic root of 404482399 is about 739.5482993291.

The spelling of 404482399 in words is "four hundred four million, four hundred eighty-two thousand, three hundred ninety-nine".