2423904 has 48 divisors (see below), whose sum is σ = 7273728. Its totient is φ = 692352.

The previous prime is 2423891. The next prime is 2423909. The reversal of 2423904 is 4093242.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132 + ... + 2475.

It is an arithmetic number, because the mean of its divisors is an integer number (151536).

2^2423904 is an apocalyptic number.

2423904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2423904 is an abundant number, since it is smaller than the sum of its proper divisors (4849824).

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

2423904 is a wasteful number, since it uses less digits than its factorization.

2423904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627 (or 3619 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2423904 is about 1556.8892060773. The cubic root of 2423904 is about 134.3296258557.

The spelling of 2423904 in words is "two million, four hundred twenty-three thousand, nine hundred four".