1089670 has 8 divisors (see below), whose sum is σ = 1961424. Its totient is φ = 435864.

The previous prime is 1089661. The next prime is 1089677. The reversal of 1089670 is 769801.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089677) 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, 54474 + ... + 54493.

It is an arithmetic number, because the mean of its divisors is an integer number (245178).

2^1089670 is an apocalyptic number.

1089670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1089670 is a deficient number, since it is larger than the sum of its proper divisors (871754).

1089670 is a wasteful number, since it uses less digits than its factorization.

1089670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108974.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 1089670 is about 1043.8725975903. The cubic root of 1089670 is about 102.9038597675.

The spelling of 1089670 in words is "one million, eighty-nine thousand, six hundred seventy".