1053668 has 36 divisors (see below), whose sum is σ = 2323776. Its totient is φ = 409200.

The previous prime is 1053617. The next prime is 1053691. The reversal of 1053668 is 8663501.

It is a super-2 number, since 2×1053668² = 2220432508448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1053668.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3233 + ... + 3543.

2^1053668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1053668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161888).

1053668 is an abundant number, since it is smaller than the sum of its proper divisors (1270108).

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

1053668 is a wasteful number, since it uses less digits than its factorization.

1053668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1053668 is about 1026.4833169614. The cubic root of 1053668 is about 101.7578518411.

It can be divided in two parts, 105 and 3668, that added together give a palindrome (3773).

The spelling of 1053668 in words is "one million, fifty-three thousand, six hundred sixty-eight".