100391828 has 12 divisors (see below), whose sum is σ = 175779072. Its totient is φ = 50169240.

The previous prime is 100391789. The next prime is 100391833. The reversal of 100391828 is 828193001.

It is a junction number, because it is equal to n+sod(n) for n = 100391794 and 100391803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3533 + ... + 14603.

It is an arithmetic number, because the mean of its divisors is an integer number (14648256).

Almost surely, 2^100391828 is an apocalyptic number.

It is an amenable number.

100391828 is a deficient number, since it is larger than the sum of its proper divisors (75387244).

100391828 is a wasteful number, since it uses less digits than its factorization.

100391828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13342 (or 13340 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 100391828 is about 10019.5722463586. The cubic root of 100391828 is about 464.7643281043.

The spelling of 100391828 in words is "one hundred million, three hundred ninety-one thousand, eight hundred twenty-eight".