16898850 has 108 divisors (see below), whose sum is σ = 49116834. Its totient is φ = 4151040.

The previous prime is 16898821. The next prime is 16898879. The reversal of 16898850 is 5889861.

It is an interprime number because it is at equal distance from previous prime (16898821) and next prime (16898879).

It can be written as a sum of positive squares in 3 ways, for example, as 14493249 + 2405601 = 3807^2 + 1551^2 .

It is a super-2 number, since 2×16898850² = 571142262645000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 16898796 and 16898805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 359527 + ... + 359573.

Almost surely, 2^16898850 is an apocalyptic number.

16898850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16898850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24558417).

16898850 is an abundant number, since it is smaller than the sum of its proper divisors (32217984).

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

16898850 is a wasteful number, since it uses less digits than its factorization.

16898850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 16898850 is about 4110.8210858659. The cubic root of 16898850 is about 256.6171734181.

The spelling of 16898850 in words is "sixteen million, eight hundred ninety-eight thousand, eight hundred fifty".