1109396 has 12 divisors (see below), whose sum is σ = 1978452. Its totient is φ = 544128.

The previous prime is 1109393. The next prime is 1109399. The reversal of 1109396 is 6939011.

It is an interprime number because it is at equal distance from previous prime (1109393) and next prime (1109399).

It can be written as a sum of positive squares in 2 ways, for example, as 960400 + 148996 = 980^2 + 386^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2405 + ... + 2828.

It is an arithmetic number, because the mean of its divisors is an integer number (164871).

2^1109396 is an apocalyptic number.

It is an amenable number.

1109396 is a deficient number, since it is larger than the sum of its proper divisors (869056).

1109396 is a wasteful number, since it uses less digits than its factorization.

1109396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290 (or 5288 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1109396 is about 1053.2786905658. The cubic root of 1109396 is about 103.5210969309.

The spelling of 1109396 in words is "one million, one hundred nine thousand, three hundred ninety-six".