2194808 has 48 divisors (see below), whose sum is σ = 5232600. Its totient is φ = 853440.

The previous prime is 2194757. The next prime is 2194811. The reversal of 2194808 is 8084912.

It is a happy number.

It is a congruent number.

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, 4058 + ... + 4566.

2^2194808 is an apocalyptic number.

2194808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2194808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2616300).

2194808 is an abundant number, since it is smaller than the sum of its proper divisors (3037792).

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

2194808 is a wasteful number, since it uses less digits than its factorization.

2194808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 2194808 is about 1481.4884407244. The cubic root of 2194808 is about 129.9567508992.

The spelling of 2194808 in words is "two million, one hundred ninety-four thousand, eight hundred eight".