2387420 has 24 divisors (see below), whose sum is σ = 5730144. Its totient is φ = 818496.

The previous prime is 2387419. The next prime is 2387431. The reversal of 2387420 is 247832.

2387420 = 581² + 582² + ... + 587².

It is a self number, because there is not a number n which added to its sum of digits gives 2387420.

It is a congruent number.

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, 8387 + ... + 8666.

It is an arithmetic number, because the mean of its divisors is an integer number (238756).

2^2387420 is an apocalyptic number.

2387420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2387420 is an abundant number, since it is smaller than the sum of its proper divisors (3342724).

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

2387420 is a wasteful number, since it uses less digits than its factorization.

2387420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17069 (or 17067 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2387420 is about 1545.1278264273. The cubic root of 2387420 is about 133.6522504697.

The spelling of 2387420 in words is "two million, three hundred eighty-seven thousand, four hundred twenty".