11898828 has 36 divisors (see below), whose sum is σ = 30368520. Its totient is φ = 3927936.

The previous prime is 11898791. The next prime is 11898829. The reversal of 11898828 is 82889811.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (11898829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2308 + ... + 5396.

It is an arithmetic number, because the mean of its divisors is an integer number (843570).

Almost surely, 2^11898828 is an apocalyptic number.

11898828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11898828 is an abundant number, since it is smaller than the sum of its proper divisors (18469692).

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

11898828 is a wasteful number, since it uses less digits than its factorization.

11898828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206 (or 3201 counting only the distinct ones).

The product of its digits is 73728, while the sum is 45.

The square root of 11898828 is about 3449.4677850358. The cubic root of 11898828 is about 228.2976260903.

The spelling of 11898828 in words is "eleven million, eight hundred ninety-eight thousand, eight hundred twenty-eight".