2403968 has 32 divisors (see below), whose sum is σ = 5475360. Its totient is φ = 1029888.

The previous prime is 2403959. The next prime is 2403971. The reversal of 2403968 is 8693042.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a zygodrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446 + ... + 2237.

It is an arithmetic number, because the mean of its divisors is an integer number (171105).

2^2403968 is an apocalyptic number.

2403968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2403968 is an abundant number, since it is smaller than the sum of its proper divisors (3071392).

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

2403968 is an equidigital number, since it uses as much as digits as its factorization.

2403968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704 (or 2692 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2403968 is about 1550.4734760711. The cubic root of 2403968 is about 133.9603357766.

The spelling of 2403968 in words is "two million, four hundred three thousand, nine hundred sixty-eight".