108491400 has 240 divisors, whose sum is σ = 389128740. Its totient is φ = 27993600.

The previous prime is 108491393. The next prime is 108491431. The reversal of 108491400 is 4194801.

It can be written as a sum of positive squares in 6 ways, for example, as 27815076 + 80676324 = 5274^2 + 8982^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 599310 + ... + 599490.

Almost surely, 2^108491400 is an apocalyptic number.

108491400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108491400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194564370).

108491400 is an abundant number, since it is smaller than the sum of its proper divisors (280637340).

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

108491400 is a wasteful number, since it uses less digits than its factorization.

108491400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 108491400 is about 10415.9205066091. The cubic root of 108491400 is about 476.9414903908.

The spelling of 108491400 in words is "one hundred eight million, four hundred ninety-one thousand, four hundred".