2387520 has 84 divisors (see below), whose sum is σ = 8221980. Its totient is φ = 635904.

The previous prime is 2387513. The next prime is 2387533. The reversal of 2387520 is 257832.

It can be written as a sum of positive squares in 2 ways, for example, as 1115136 + 1272384 = 1056^2 + 1128^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2466 + ... + 3294.

2^2387520 is an apocalyptic number.

2387520 is a gapful number since it is divisible by the number (20) 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 2387520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4110990).

2387520 is an abundant number, since it is smaller than the sum of its proper divisors (5834460).

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

2387520 is a wasteful number, since it uses less digits than its factorization.

2387520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2387520 is about 1545.1601858707. The cubic root of 2387520 is about 133.6541165061.

The spelling of 2387520 in words is "two million, three hundred eighty-seven thousand, five hundred twenty".