100326408 has 128 divisors (see below), whose sum is σ = 313528320. Its totient is φ = 26046720.

The previous prime is 100326397. The next prime is 100326449. The reversal of 100326408 is 804623001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154741 + ... + 155387.

It is an arithmetic number, because the mean of its divisors is an integer number (2449440).

Almost surely, 2^100326408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100326408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156764160).

100326408 is an abundant number, since it is smaller than the sum of its proper divisors (213201912).

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

100326408 is a wasteful number, since it uses less digits than its factorization.

100326408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 100326408 is about 10016.3071039181. The cubic root of 100326408 is about 464.6633521260.

Adding to 100326408 its reverse (804623001), we get a palindrome (904949409).

The spelling of 100326408 in words is "one hundred million, three hundred twenty-six thousand, four hundred eight".