1053636 has 12 divisors (see below), whose sum is σ = 2458512. Its totient is φ = 351208.

The previous prime is 1053617. The next prime is 1053691. The reversal of 1053636 is 6363501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1053636² = 2220297640992, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43890 + ... + 43913.

It is an arithmetic number, because the mean of its divisors is an integer number (204876).

2^1053636 is an apocalyptic number.

It is an amenable number.

1053636 is an abundant number, since it is smaller than the sum of its proper divisors (1404876).

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

1053636 is a wasteful number, since it uses less digits than its factorization.

1053636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87810 (or 87808 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 1053636 is about 1026.4677296438. The cubic root of 1053636 is about 101.7568216987.

It can be divided in two parts, 105 and 3636, that added together give a triangular number (3741 = T₈₆).

The spelling of 1053636 in words is "one million, fifty-three thousand, six hundred thirty-six".