4987305 has 16 divisors (see below), whose sum is σ = 8866560. Its totient is φ = 2659824.

The previous prime is 4987303. The next prime is 4987319. The reversal of 4987305 is 5037894.

It is not a de Polignac number, because 4987305 - 2¹ = 4987303 is a prime.

It is a super-2 number, since 2×4987305² = 49746422326050, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4987305.

It is not an unprimeable number, because it can be changed into a prime (4987303) 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, 18337 + ... + 18606.

It is an arithmetic number, because the mean of its divisors is an integer number (554160).

Almost surely, 2^4987305 is an apocalyptic number.

4987305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4987305 is a deficient number, since it is larger than the sum of its proper divisors (3879255).

4987305 is a wasteful number, since it uses less digits than its factorization.

4987305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36957 (or 36951 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 4987305 is about 2233.2274850539. The cubic root of 4987305 is about 170.8527510481.

The spelling of 4987305 in words is "four million, nine hundred eighty-seven thousand, three hundred five".