4987357 has 4 divisors (see below), whose sum is σ = 4999680. Its totient is φ = 4975036.

The previous prime is 4987351. The next prime is 4987393. The reversal of 4987357 is 7537894.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4987357 is a prime.

It is a Duffinian number.

4987357 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5533 + ... + 6370.

It is an arithmetic number, because the mean of its divisors is an integer number (1249920).

Almost surely, 2^4987357 is an apocalyptic number.

It is an amenable number.

4987357 is a deficient number, since it is larger than the sum of its proper divisors (12323).

4987357 is a wasteful number, since it uses less digits than its factorization.

4987357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12322.

The product of its digits is 211680, while the sum is 43.

The square root of 4987357 is about 2233.2391273663. The cubic root of 4987357 is about 170.8533448433.

The spelling of 4987357 in words is "four million, nine hundred eighty-seven thousand, three hundred fifty-seven".