1099670 has 32 divisors (see below), whose sum is σ = 2328480. Its totient is φ = 368640.

The previous prime is 1099669. The next prime is 1099687. The reversal of 1099670 is 769901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1046 + ... + 1814.

It is an arithmetic number, because the mean of its divisors is an integer number (72765).

2^1099670 is an apocalyptic number.

1099670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1099670 is an abundant number, since it is smaller than the sum of its proper divisors (1228810).

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

1099670 is a wasteful number, since it uses less digits than its factorization.

1099670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 1099670 is about 1048.6515150421. The cubic root of 1099670 is about 103.2176877120.

It can be divided in two parts, 109 and 9670, that added together give a palindrome (9779).

The spelling of 1099670 in words is "one million, ninety-nine thousand, six hundred seventy".