108321390 has 24 divisors (see below), whose sum is σ = 281635848. Its totient is φ = 28885680.

The previous prime is 108321383. The next prime is 108321397. The reversal of 108321390 is 93123801.

It is an interprime number because it is at equal distance from previous prime (108321383) and next prime (108321397).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108321397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 601696 + ... + 601875.

It is an arithmetic number, because the mean of its divisors is an integer number (11734827).

Almost surely, 2^108321390 is an apocalyptic number.

108321390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108321390 is an abundant number, since it is smaller than the sum of its proper divisors (173314458).

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

108321390 is a wasteful number, since it uses less digits than its factorization.

108321390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203584 (or 1203581 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 108321390 is about 10407.7562423416. The cubic root of 108321390 is about 476.6922318812.

The spelling of 108321390 in words is "one hundred eight million, three hundred twenty-one thousand, three hundred ninety".