1045668 has 24 divisors (see below), whose sum is σ = 2627968. Its totient is φ = 321696.

The previous prime is 1045663. The next prime is 1045679. The reversal of 1045668 is 8665401.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1045663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3196 + ... + 3507.

2^1045668 is an apocalyptic number.

It is an amenable number.

1045668 is an abundant number, since it is smaller than the sum of its proper divisors (1582300).

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

1045668 is a wasteful number, since it uses less digits than its factorization.

1045668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723 (or 6721 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1045668 is about 1022.5790922956. The cubic root of 1045668 is about 101.4996643117.

The spelling of 1045668 in words is "one million, forty-five thousand, six hundred sixty-eight".