1115438 has 16 divisors (see below), whose sum is σ = 1807920. Its totient is φ = 514176.

The previous prime is 1115419. The next prime is 1115447. The reversal of 1115438 is 8345111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1493 + ... + 2111.

It is an arithmetic number, because the mean of its divisors is an integer number (112995).

2^1115438 is an apocalyptic number.

1115438 is a deficient number, since it is larger than the sum of its proper divisors (692482).

1115438 is a wasteful number, since it uses less digits than its factorization.

1115438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its digits is 480, while the sum is 23.

The square root of 1115438 is about 1056.1429827443. The cubic root of 1115438 is about 103.7086892193.

The spelling of 1115438 in words is "one million, one hundred fifteen thousand, four hundred thirty-eight".