2194614 has 80 divisors (see below), whose sum is σ = 5575680. Its totient is φ = 641520.

The previous prime is 2194613. The next prime is 2194631. The reversal of 2194614 is 4164912.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194613) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70779 + ... + 70809.

It is an arithmetic number, because the mean of its divisors is an integer number (69696).

2^2194614 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2194614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2787840).

2194614 is an abundant number, since it is smaller than the sum of its proper divisors (3381066).

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

2194614 is a wasteful number, since it uses less digits than its factorization.

2194614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 78 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2194614 is about 1481.4229645851. The cubic root of 2194614 is about 129.9529218092.

The spelling of 2194614 in words is "two million, one hundred ninety-four thousand, six hundred fourteen".