109902394 has 12 divisors (see below), whose sum is σ = 191768634. Its totient is φ = 47100984.

The previous prime is 109902343. The next prime is 109902407. The reversal of 109902394 is 493209901.

It can be written as a sum of positive squares in only one way, i.e., 94809169 + 15093225 = 9737^2 + 3885^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 560629 + ... + 560824.

Almost surely, 2^109902394 is an apocalyptic number.

109902394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

109902394 is a deficient number, since it is larger than the sum of its proper divisors (81866240).

109902394 is a wasteful number, since it uses less digits than its factorization.

109902394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121469 (or 1121462 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 109902394 is about 10483.4342655449. The cubic root of 109902394 is about 479.0002251849. Note that the first 3 decimals are identical.

The spelling of 109902394 in words is "one hundred nine million, nine hundred two thousand, three hundred ninety-four".