1089898 has 8 divisors (see below), whose sum is σ = 1687680. Its totient is φ = 527340.

The previous prime is 1089877. The next prime is 1089917. The reversal of 1089898 is 8989801.

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

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8728 + ... + 8851.

It is an arithmetic number, because the mean of its divisors is an integer number (210960).

2^1089898 is an apocalyptic number.

1089898 is a deficient number, since it is larger than the sum of its proper divisors (597782).

1089898 is a wasteful number, since it uses less digits than its factorization.

1089898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17612.

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 1089898 is about 1043.9818006077. The cubic root of 1089898 is about 102.9110363878.

The spelling of 1089898 in words is "one million, eighty-nine thousand, eight hundred ninety-eight".