109854394 has 32 divisors (see below), whose sum is σ = 186439680. Its totient is φ = 48452976.

The previous prime is 109854389. The next prime is 109854397. The reversal of 109854394 is 493458901.

It is a happy number.

It is a super-2 number, since 2×109854394² = 24135975762214472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109854394.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109854397) 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, 100519 + ... + 101605.

It is an arithmetic number, because the mean of its divisors is an integer number (5826240).

Almost surely, 2^109854394 is an apocalyptic number.

109854394 is a deficient number, since it is larger than the sum of its proper divisors (76585286).

109854394 is a wasteful number, since it uses less digits than its factorization.

109854394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 109854394 is about 10481.1446893934. The cubic root of 109854394 is about 478.9304803927.

The spelling of 109854394 in words is "one hundred nine million, eight hundred fifty-four thousand, three hundred ninety-four".