2345904 has 60 divisors (see below), whose sum is σ = 7166952. Its totient is φ = 710400.

The previous prime is 2345891. The next prime is 2345909. The reversal of 2345904 is 4095432.

2345904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2345909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844 + ... + 2324.

2^2345904 is an apocalyptic number.

2345904 is a gapful number since it is divisible by the number (24) 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 2345904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3583476).

2345904 is an abundant number, since it is smaller than the sum of its proper divisors (4821048).

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

2345904 is a wasteful number, since it uses less digits than its factorization.

2345904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2345904 is about 1531.6344211332. The cubic root of 2345904 is about 132.8730014269.

It can be divided in two parts, 2345 and 904, that added together give a square (3249 = 57²).

The spelling of 2345904 in words is "two million, three hundred forty-five thousand, nine hundred four".