2399994 has 24 divisors (see below), whose sum is σ = 5240352. Its totient is φ = 793800.

The previous prime is 2399993. The next prime is 2400001. The reversal of 2399994 is 4999932.

It is not an unprimeable number, because it can be changed into a prime (2399993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2277 + ... + 3159.

It is an arithmetic number, because the mean of its divisors is an integer number (218348).

2^2399994 is an apocalyptic number.

2399994 is an abundant number, since it is smaller than the sum of its proper divisors (2840358).

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

2399994 is a wasteful number, since it uses less digits than its factorization.

2399994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1039 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 2399994 is about 1549.1914019901. The cubic root of 2399994 is about 133.8864784442.

The spelling of 2399994 in words is "two million, three hundred ninety-nine thousand, nine hundred ninety-four".