1045986 has 8 divisors (see below), whose sum is σ = 2091984. Its totient is φ = 348660.

The previous prime is 1045981. The next prime is 1045987. The reversal of 1045986 is 6895401.

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

1045986 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1045981) 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, 87160 + ... + 87171.

It is an arithmetic number, because the mean of its divisors is an integer number (261498).

2^1045986 is an apocalyptic number.

1045986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1045986 is a wasteful number, since it uses less digits than its factorization.

1045986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174336.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1045986 is about 1022.7345696709. The cubic root of 1045986 is about 101.5099523515.

The spelling of 1045986 in words is "one million, forty-five thousand, nine hundred eighty-six".