1053816 has 32 divisors (see below), whose sum is σ = 2774400. Its totient is φ = 332640.

The previous prime is 1053809. The next prime is 1053817. The reversal of 1053816 is 6183501.

It is a super-2 number, since 2×1053816² = 2221056323712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053817) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 700 + ... + 1611.

It is an arithmetic number, because the mean of its divisors is an integer number (86700).

2^1053816 is an apocalyptic number.

It is an amenable number.

1053816 is an abundant number, since it is smaller than the sum of its proper divisors (1720584).

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

1053816 is a wasteful number, since it uses less digits than its factorization.

1053816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339 (or 2335 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1053816 is about 1026.5554052266. Note that the first 3 decimals coincide. The cubic root of 1053816 is about 101.7626159784.

The spelling of 1053816 in words is "one million, fifty-three thousand, eight hundred sixteen".