1053684 has 18 divisors (see below), whose sum is σ = 2663570. Its totient is φ = 351216.

The previous prime is 1053617. The next prime is 1053691. The reversal of 1053684 is 4863501.

It can be written as a sum of positive squares in only one way, i.e., 944784 + 108900 = 972^2 + 330^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1053684² = 2220499943712, which contains 22 as substring.

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, 14599 + ... + 14670.

2^1053684 is an apocalyptic number.

It is an amenable number.

1053684 is an abundant number, since it is smaller than the sum of its proper divisors (1609886).

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

1053684 is a wasteful number, since it uses less digits than its factorization.

1053684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29279 (or 29274 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1053684 is about 1026.4911105314. The cubic root of 1053684 is about 101.7583669045.

The spelling of 1053684 in words is "one million, fifty-three thousand, six hundred eighty-four".