2399814 has 32 divisors (see below), whose sum is σ = 5616000. Its totient is φ = 757512.

The previous prime is 2399809. The next prime is 2399821. The reversal of 2399814 is 4189932.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144 + ... + 2195.

It is an arithmetic number, because the mean of its divisors is an integer number (175500).

2^2399814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2399814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2808000).

2399814 is an abundant number, since it is smaller than the sum of its proper divisors (3216186).

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

2399814 is a wasteful number, since it uses less digits than its factorization.

2399814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369 (or 2363 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2399814 is about 1549.1333060780. The cubic root of 2399814 is about 133.8831311902.

The spelling of 2399814 in words is "two million, three hundred ninety-nine thousand, eight hundred fourteen".