404000003 has 12 divisors (see below), whose sum is σ = 456072960. Its totient is φ = 357342480.

The previous prime is 403999993. The next prime is 404000033. The reversal of 404000003 is 300000404.

It is not a de Polignac number, because 404000003 - 2²² = 399805699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404000033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40643 + ... + 49596.

It is an arithmetic number, because the mean of its divisors is an integer number (38006080).

Almost surely, 2^404000003 is an apocalyptic number.

404000003 is a deficient number, since it is larger than the sum of its proper divisors (52072957).

404000003 is a wasteful number, since it uses less digits than its factorization.

404000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90298 (or 90287 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 404000003 is about 20099.7513168696. The cubic root of 404000003 is about 739.2541810012.

Adding to 404000003 its reverse (300000404), we get a palindrome (704000407).

The spelling of 404000003 in words is "four hundred four million, three", and thus it is an aban number.