1109416 has 32 divisors (see below), whose sum is σ = 2594880. Its totient is φ = 432000.

The previous prime is 1109411. The next prime is 1109431. The reversal of 1109416 is 6149011.

It is a super-2 number, since 2×1109416² = 2461607722112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1109411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285 + ... + 1516.

It is an arithmetic number, because the mean of its divisors is an integer number (81090).

2^1109416 is an apocalyptic number.

It is an amenable number.

1109416 is an abundant number, since it is smaller than the sum of its proper divisors (1485464).

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

1109416 is a wasteful number, since it uses less digits than its factorization.

1109416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825 (or 1821 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1109416 is about 1053.2881846864. The cubic root of 1109416 is about 103.5217190140.

The spelling of 1109416 in words is "one million, one hundred nine thousand, four hundred sixteen".