108921692 has 12 divisors (see below), whose sum is σ = 207941496. Its totient is φ = 49509840.

The previous prime is 108921667. The next prime is 108921727. The reversal of 108921692 is 296129801.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1237703 + ... + 1237790.

It is an arithmetic number, because the mean of its divisors is an integer number (17328458).

Almost surely, 2^108921692 is an apocalyptic number.

It is an amenable number.

108921692 is a deficient number, since it is larger than the sum of its proper divisors (99019804).

108921692 is a wasteful number, since it uses less digits than its factorization.

108921692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475508 (or 2475506 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 108921692 is about 10436.5555620617. Note that the first 4 decimals coincide. The cubic root of 108921692 is about 477.5711974097.

The spelling of 108921692 in words is "one hundred eight million, nine hundred twenty-one thousand, six hundred ninety-two".