1089946 has 32 divisors (see below), whose sum is σ = 1991808. Its totient is φ = 440640.

The previous prime is 1089943. The next prime is 1089961. The reversal of 1089946 is 6499801.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (1089941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10531 + ... + 10633.

It is an arithmetic number, because the mean of its divisors is an integer number (62244).

2^1089946 is an apocalyptic number.

1089946 is a deficient number, since it is larger than the sum of its proper divisors (901862).

1089946 is a wasteful number, since it uses less digits than its factorization.

1089946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1089946 is about 1044.0047892610. The cubic root of 1089946 is about 102.9125471278.

The spelling of 1089946 in words is "one million, eighty-nine thousand, nine hundred forty-six".