100403400 has 48 divisors (see below), whose sum is σ = 311252400. Its totient is φ = 26774080.

The previous prime is 100403341. The next prime is 100403417. The reversal of 100403400 is 4304001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83070 + ... + 84269.

It is an arithmetic number, because the mean of its divisors is an integer number (6484425).

Almost surely, 2^100403400 is an apocalyptic number.

100403400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100403400 is an abundant number, since it is smaller than the sum of its proper divisors (210849000).

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

100403400 is a wasteful number, since it uses less digits than its factorization.

100403400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167358 (or 167349 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 100403400 is about 10020.1496994805. The cubic root of 100403400 is about 464.7821849567.

Adding to 100403400 its reverse (4304001), we get a palindrome (104707401).

The spelling of 100403400 in words is "one hundred million, four hundred three thousand, four hundred".