2399520 has 48 divisors (see below), whose sum is σ = 7560000. Its totient is φ = 639744.

The previous prime is 2399519. The next prime is 2399531. The reversal of 2399520 is 259932.

2399520 is nontrivially palindromic in base 14.

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 (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020 + ... + 2979.

It is an arithmetic number, because the mean of its divisors is an integer number (157500).

2^2399520 is an apocalyptic number.

2399520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2399520 is an abundant number, since it is smaller than the sum of its proper divisors (5160480).

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

2399520 is a wasteful number, since it uses less digits than its factorization.

2399520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017 (or 5009 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 2399520 is about 1549.0384114024. The cubic root of 2399520 is about 133.8776636486.

The spelling of 2399520 in words is "two million, three hundred ninety-nine thousand, five hundred twenty".