4978287 has 16 divisors (see below), whose sum is σ = 7534080. Its totient is φ = 3247416.

The previous prime is 4978283. The next prime is 4978291. The reversal of 4978287 is 7828794.

4978287 is a `hidden beast` number, since 497 + 82 + 87 = 666.

It is an interprime number because it is at equal distance from previous prime (4978283) and next prime (4978291).

It is not a de Polignac number, because 4978287 - 2² = 4978283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693 + ... + 3230.

It is an arithmetic number, because the mean of its divisors is an integer number (470880).

Almost surely, 2^4978287 is an apocalyptic number.

4978287 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

4978287 is a deficient number, since it is larger than the sum of its proper divisors (2555793).

4978287 is a wasteful number, since it uses less digits than its factorization.

4978287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979 (or 3973 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 4978287 is about 2231.2075206040. The cubic root of 4978287 is about 170.7497107823.

The spelling of 4978287 in words is "four million, nine hundred seventy-eight thousand, two hundred eighty-seven".