1045994 has 8 divisors (see below), whose sum is σ = 1637280. Its totient is φ = 500236.

The previous prime is 1045987. The next prime is 1045997. The reversal of 1045994 is 4995401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1045994.

It is not an unprimeable number, because it can be changed into a prime (1045997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11324 + ... + 11415.

It is an arithmetic number, because the mean of its divisors is an integer number (204660).

2^1045994 is an apocalyptic number.

1045994 is a deficient number, since it is larger than the sum of its proper divisors (591286).

1045994 is a wasteful number, since it uses less digits than its factorization.

1045994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22764.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1045994 is about 1022.7384807467. The cubic root of 1045994 is about 101.5102111432.

The spelling of 1045994 in words is "one million, forty-five thousand, nine hundred ninety-four".