109383978 has 32 divisors (see below), whose sum is σ = 239308992. Its totient is φ = 33056000.

The previous prime is 109383977. The next prime is 109383979. The reversal of 109383978 is 879383901.

It is an interprime number because it is at equal distance from previous prime (109383977) and next prime (109383979).

It is not an unprimeable number, because it can be changed into a prime (109383971) 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, 24400 + ... + 28532.

It is an arithmetic number, because the mean of its divisors is an integer number (7478406).

Almost surely, 2^109383978 is an apocalyptic number.

109383978 is an abundant number, since it is smaller than the sum of its proper divisors (129925014).

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

109383978 is a wasteful number, since it uses less digits than its factorization.

109383978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 109383978 is about 10458.6795533662. The cubic root of 109383978 is about 478.2458805131.

The spelling of 109383978 in words is "one hundred nine million, three hundred eighty-three thousand, nine hundred seventy-eight".