1111898 has 8 divisors (see below), whose sum is σ = 1672608. Its totient is φ = 554364.

The previous prime is 1111897. The next prime is 1111921. The reversal of 1111898 is 8981111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1111898.

It is not an unprimeable number, because it can be changed into a prime (1111897) 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, 515 + ... + 1577.

It is an arithmetic number, because the mean of its divisors is an integer number (209076).

2^1111898 is an apocalyptic number.

1111898 is a deficient number, since it is larger than the sum of its proper divisors (560710).

1111898 is a wasteful number, since it uses less digits than its factorization.

1111898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588.

The product of its digits is 576, while the sum is 29.

The square root of 1111898 is about 1054.4657415014. The cubic root of 1111898 is about 103.5988615628.

The spelling of 1111898 in words is "one million, one hundred eleven thousand, eight hundred ninety-eight".