404006244 has 24 divisors (see below), whose sum is σ = 953275680. Its totient is φ = 133155264.

The previous prime is 404006231. The next prime is 404006257. The reversal of 404006244 is 442600404.

It is an interprime number because it is at equal distance from previous prime (404006231) and next prime (404006257).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188074 + ... + 190209.

It is an arithmetic number, because the mean of its divisors is an integer number (39719820).

Almost surely, 2^404006244 is an apocalyptic number.

It is an amenable number.

404006244 is an abundant number, since it is smaller than the sum of its proper divisors (549269436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404006244 is a wasteful number, since it uses less digits than its factorization.

404006244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378379 (or 378377 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 404006244 is about 20099.9065669470. The cubic root of 404006244 is about 739.2579876527.

Adding to 404006244 its reverse (442600404), we get a palindrome (846606648).

The spelling of 404006244 in words is "four hundred four million, six thousand, two hundred forty-four".