403103828 has 24 divisors (see below), whose sum is σ = 732506880. Its totient is φ = 193868640.

The previous prime is 403103809. The next prime is 403103837. The reversal of 403103828 is 828301304.

It is a happy number.

It is a super-2 number, since 2×403103828² = 324985392296507168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 403103828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25025 + ... + 37847.

It is an arithmetic number, because the mean of its divisors is an integer number (30521120).

Almost surely, 2^403103828 is an apocalyptic number.

It is an amenable number.

403103828 is a deficient number, since it is larger than the sum of its proper divisors (329403052).

403103828 is a wasteful number, since it uses less digits than its factorization.

403103828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13127 (or 13125 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 403103828 is about 20077.4457538801. The cubic root of 403103828 is about 738.7071582448.

The spelling of 403103828 in words is "four hundred three million, one hundred three thousand, eight hundred twenty-eight".