11810898 has 24 divisors (see below), whose sum is σ = 27917136. Its totient is φ = 3579000.

The previous prime is 11810879. The next prime is 11810947. The reversal of 11810898 is 89801811.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29628 + ... + 30023.

It is an arithmetic number, because the mean of its divisors is an integer number (1163214).

Almost surely, 2^11810898 is an apocalyptic number.

11810898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11810898 is an abundant number, since it is smaller than the sum of its proper divisors (16106238).

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

11810898 is a wasteful number, since it uses less digits than its factorization.

11810898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59670 (or 59667 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 36.

The square root of 11810898 is about 3436.6987066078. The cubic root of 11810898 is about 227.7338769426.

The spelling of 11810898 in words is "eleven million, eight hundred ten thousand, eight hundred ninety-eight".