404244003 has 16 divisors (see below), whose sum is σ = 574538400. Its totient is φ = 251936256.

The previous prime is 404243993. The next prime is 404244013. The reversal of 404244003 is 300442404.

It is an interprime number because it is at equal distance from previous prime (404243993) and next prime (404244013).

It is not a de Polignac number, because 404244003 - 2⁸ = 404243747 is a prime.

It is a super-2 number, since 2×404244003² = 326826427922928018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (404244013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19000 + ... + 34197.

It is an arithmetic number, because the mean of its divisors is an integer number (35908650).

Almost surely, 2^404244003 is an apocalyptic number.

404244003 is a deficient number, since it is larger than the sum of its proper divisors (170294397).

404244003 is a wasteful number, since it uses less digits than its factorization.

404244003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53366.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 404244003 is about 20105.8201275153. The cubic root of 404244003 is about 739.4029777976.

Adding to 404244003 its reverse (300442404), we get a palindrome (704686407).

The spelling of 404244003 in words is "four hundred four million, two hundred forty-four thousand, three".