108431092 has 24 divisors (see below), whose sum is σ = 236577600. Its totient is φ = 42245760.

The previous prime is 108431077. The next prime is 108431093. The reversal of 108431092 is 290134801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 108431092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108431093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175717 + ... + 176332.

It is an arithmetic number, because the mean of its divisors is an integer number (9857400).

Almost surely, 2^108431092 is an apocalyptic number.

It is an amenable number.

108431092 is an abundant number, since it is smaller than the sum of its proper divisors (128146508).

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

108431092 is a wasteful number, since it uses less digits than its factorization.

108431092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352071 (or 352069 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 108431092 is about 10413.0251128094. The cubic root of 108431092 is about 476.8531002244.

Adding to 108431092 its reverse (290134801), we get a palindrome (398565893).

It can be divided in two parts, 10843 and 1092, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 108431092 in words is "one hundred eight million, four hundred thirty-one thousand, ninety-two".