1089814 has 8 divisors (see below), whose sum is σ = 1783368. Its totient is φ = 495360.

The previous prime is 1089799. The next prime is 1089841. The reversal of 1089814 is 4189801.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24747 + ... + 24790.

It is an arithmetic number, because the mean of its divisors is an integer number (222921).

2^1089814 is an apocalyptic number.

1089814 is a deficient number, since it is larger than the sum of its proper divisors (693554).

1089814 is a wasteful number, since it uses less digits than its factorization.

1089814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49550.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1089814 is about 1043.9415692461. The cubic root of 1089814 is about 102.9083924863.

It can be divided in two parts, 1089 and 814, that multiplied together give a triangular number (886446 = T₁₃₃₁).

The spelling of 1089814 in words is "one million, eighty-nine thousand, eight hundred fourteen".