4987669 has 2 divisors, whose sum is σ = 4987670. Its totient is φ = 4987668.

The previous prime is 4987667. The next prime is 4987673. The reversal of 4987669 is 9667894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4774225 + 213444 = 2185^2 + 462^2 .

It is a cyclic number.

It is not a de Polignac number, because 4987669 - 2¹ = 4987667 is a prime.

It is a super-2 number, since 2×4987669² = 49753684107122, which contains 22 as substring.

Together with 4987667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4987663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2493834 + 2493835.

It is an arithmetic number, because the mean of its divisors is an integer number (2493835).

Almost surely, 2^4987669 is an apocalyptic number.

It is an amenable number.

4987669 is a deficient number, since it is larger than the sum of its proper divisors (1).

4987669 is an equidigital number, since it uses as much as digits as its factorization.

4987669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The square root of 4987669 is about 2233.3089799667. The cubic root of 4987669 is about 170.8569075273.

The spelling of 4987669 in words is "four million, nine hundred eighty-seven thousand, six hundred sixty-nine".