100320396 has 96 divisors (see below), whose sum is σ = 268531200. Its totient is φ = 28869120.

The previous prime is 100320391. The next prime is 100320401. The reversal of 100320396 is 693023001.

It is an interprime number because it is at equal distance from previous prime (100320391) and next prime (100320401).

It is not an unprimeable number, because it can be changed into a prime (100320391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279265 + ... + 279623.

It is an arithmetic number, because the mean of its divisors is an integer number (2797200).

Almost surely, 2^100320396 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 100320396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134265600).

100320396 is an abundant number, since it is smaller than the sum of its proper divisors (168210804).

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

100320396 is a wasteful number, since it uses less digits than its factorization.

100320396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 100320396 is about 10016.0069888155. The cubic root of 100320396 is about 464.6540703827.

Adding to 100320396 its reverse (693023001), we get a palindrome (793343397).

The spelling of 100320396 in words is "one hundred million, three hundred twenty thousand, three hundred ninety-six".