1118624 has 24 divisors (see below), whose sum is σ = 2372580. Its totient is φ = 516096.

The previous prime is 1118599. The next prime is 1118629. The reversal of 1118624 is 4268111.

It can be written as a sum of positive squares in 2 ways, for example, as 868624 + 250000 = 932^2 + 500^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1118624.

It is not an unprimeable number, because it can be changed into a prime (1118629) 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, 929 + ... + 1760.

2^1118624 is an apocalyptic number.

It is an amenable number.

1118624 is an abundant number, since it is smaller than the sum of its proper divisors (1253956).

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

1118624 is a wasteful number, since it uses less digits than its factorization.

1118624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712 (or 2704 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 1118624 is about 1057.6502257363. The cubic root of 1118624 is about 103.8073356092.

The spelling of 1118624 in words is "one million, one hundred eighteen thousand, six hundred twenty-four".