2387970 has 72 divisors (see below), whose sum is σ = 6765876. Its totient is φ = 584064.

The previous prime is 2387969. The next prime is 2387971. The reversal of 2387970 is 797832.

It is an interprime number because it is at equal distance from previous prime (2387969) and next prime (2387971).

It can be written as a sum of positive squares in 6 ways, for example, as 110889 + 2277081 = 333^2 + 1509^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2387971) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15132 + ... + 15288.

2^2387970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2387970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3382938).

2387970 is an abundant number, since it is smaller than the sum of its proper divisors (4377906).

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

2387970 is a wasteful number, since it uses less digits than its factorization.

2387970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 2387970 is about 1545.3057949804. The cubic root of 2387970 is about 133.6625130256.

The spelling of 2387970 in words is "two million, three hundred eighty-seven thousand, nine hundred seventy".