1089724 has 18 divisors (see below), whose sum is σ = 1969800. Its totient is φ = 527472.

The previous prime is 1089713. The next prime is 1089757. The reversal of 1089724 is 4279801.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5377 + ... + 5575.

2^1089724 is an apocalyptic number.

It is an amenable number.

1089724 is a deficient number, since it is larger than the sum of its proper divisors (880076).

1089724 is a wasteful number, since it uses less digits than its factorization.

1089724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1089724 is about 1043.8984624953. The cubic root of 1089724 is about 102.9055595838.

The spelling of 1089724 in words is "one million, eighty-nine thousand, seven hundred twenty-four".