2478087 has 8 divisors (see below), whose sum is σ = 3671280. Its totient is φ = 1652040.

The previous prime is 2478083. The next prime is 2478097. The reversal of 2478087 is 7808742.

It is not a de Polignac number, because 2478087 - 2² = 2478083 is a prime.

It is a super-2 number, since 2×2478087² = 12281830359138, which contains 22 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478083) 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, 45864 + ... + 45917.

It is an arithmetic number, because the mean of its divisors is an integer number (458910).

2^2478087 is an apocalyptic number.

2478087 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2478087 is a deficient number, since it is larger than the sum of its proper divisors (1193193).

2478087 is an equidigital number, since it uses as much as digits as its factorization.

2478087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91790 (or 91784 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 2478087 is about 1574.1940795213. The cubic root of 2478087 is about 135.3231763484.

The spelling of 2478087 in words is "two million, four hundred seventy-eight thousand, eighty-seven".