108972402 has 32 divisors (see below), whose sum is σ = 271724544. Its totient is φ = 28304400.

The previous prime is 108972389. The next prime is 108972407. The reversal of 108972402 is 204279801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (108972407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117474 + ... + 118397.

It is an arithmetic number, because the mean of its divisors is an integer number (8491392).

Almost surely, 2^108972402 is an apocalyptic number.

108972402 is an abundant number, since it is smaller than the sum of its proper divisors (162752142).

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

108972402 is a wasteful number, since it uses less digits than its factorization.

108972402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235894.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 108972402 is about 10438.9847207475. The cubic root of 108972402 is about 477.6452992030.

Adding to 108972402 its product of nonzero digits (8064), we get a triangular number (108980466 = T₁₄₇₆₃).

The spelling of 108972402 in words is "one hundred eight million, nine hundred seventy-two thousand, four hundred two".