2387478 has 16 divisors (see below), whose sum is σ = 4847040. Its totient is φ = 783816.

The previous prime is 2387477. The next prime is 2387501. The reversal of 2387478 is 8747832.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2387477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2568 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (302940).

2^2387478 is an apocalyptic number.

2387478 is an abundant number, since it is smaller than the sum of its proper divisors (2459562).

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

2387478 is a wasteful number, since it uses less digits than its factorization.

2387478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011.

The product of its digits is 75264, while the sum is 39.

The square root of 2387478 is about 1545.1465949870. The cubic root of 2387478 is about 133.6533327772.

The spelling of 2387478 in words is "two million, three hundred eighty-seven thousand, four hundred seventy-eight".