109390284 has 48 divisors (see below), whose sum is σ = 285143040. Its totient is φ = 36265680.

The previous prime is 109390261. The next prime is 109390313. The reversal of 109390284 is 482093901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17977 + ... + 23279.

It is an arithmetic number, because the mean of its divisors is an integer number (5940480).

Almost surely, 2^109390284 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 109390284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142571520).

109390284 is an abundant number, since it is smaller than the sum of its proper divisors (175752756).

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

109390284 is a wasteful number, since it uses less digits than its factorization.

109390284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507 (or 5499 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 109390284 is about 10458.9810211129. The cubic root of 109390284 is about 478.2550706481.

The spelling of 109390284 in words is "one hundred nine million, three hundred ninety thousand, two hundred eighty-four".