10898820 has 48 divisors (see below), whose sum is σ = 33909120. Its totient is φ = 2906208.

The previous prime is 10898791. The next prime is 10898821. The reversal of 10898820 is 2889801.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (10898821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9552 + ... + 10631.

It is an arithmetic number, because the mean of its divisors is an integer number (706440).

Almost surely, 2^10898820 is an apocalyptic number.

10898820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10898820 is an abundant number, since it is smaller than the sum of its proper divisors (23010300).

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

10898820 is a wasteful number, since it uses less digits than its factorization.

10898820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20201 (or 20193 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 10898820 is about 3301.3360931599. The cubic root of 10898820 is about 221.7140218297.

The spelling of 10898820 in words is "ten million, eight hundred ninety-eight thousand, eight hundred twenty".