2487278 has 4 divisors (see below), whose sum is σ = 3730920. Its totient is φ = 1243638.

The previous prime is 2487269. The next prime is 2487281. The reversal of 2487278 is 8727842.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621818 + ... + 621821.

It is an arithmetic number, because the mean of its divisors is an integer number (932730).

2^2487278 is an apocalyptic number.

2487278 is a deficient number, since it is larger than the sum of its proper divisors (1243642).

2487278 is a wasteful number, since it uses less digits than its factorization.

2487278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243641.

The product of its digits is 50176, while the sum is 38.

The square root of 2487278 is about 1577.1106492571. The cubic root of 2487278 is about 135.4902704034.

The spelling of 2487278 in words is "two million, four hundred eighty-seven thousand, two hundred seventy-eight".