2319904 has 12 divisors (see below), whose sum is σ = 4567374. Its totient is φ = 1159936.

The previous prime is 2319901. The next prime is 2319907. The reversal of 2319904 is 4099132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2319901) and next prime (2319907).

It can be written as a sum of positive squares in only one way, i.e., 2108304 + 211600 = 1452^2 + 460^2 .

It is not an unprimeable number, because it can be changed into a prime (2319901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36217 + ... + 36280.

2^2319904 is an apocalyptic number.

It is an amenable number.

2319904 is a deficient number, since it is larger than the sum of its proper divisors (2247470).

2319904 is an equidigital number, since it uses as much as digits as its factorization.

2319904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72507 (or 72499 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2319904 is about 1523.1231073029. The cubic root of 2319904 is about 132.3802929751.

It can be divided in two parts, 2319 and 904, that added together give a palindrome (3223).

The spelling of 2319904 in words is "two million, three hundred nineteen thousand, nine hundred four".