1003428300 has 72 divisors (see below), whose sum is σ = 3318009856. Its totient is φ = 229354560.

The previous prime is 1003428299. The next prime is 1003428311. The reversal of 1003428300 is 38243001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236812 + ... + 241011.

Almost surely, 2^1003428300 is an apocalyptic number.

1003428300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003428300 is an abundant number, since it is smaller than the sum of its proper divisors (2314581556).

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

1003428300 is a wasteful number, since it uses less digits than its factorization.

1003428300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477847 (or 477840 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1003428300 is about 31676.9364048988. The cubic root of 1003428300 is about 1001.1414632326.

The spelling of 1003428300 in words is "one billion, three million, four hundred twenty-eight thousand, three hundred".