4987641 has 4 divisors (see below), whose sum is σ = 6650192. Its totient is φ = 3325092.

The previous prime is 4987639. The next prime is 4987657. The reversal of 4987641 is 1467894.

It is a happy number.

4987641 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 4987641 - 2¹ = 4987639 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4987641.

It is not an unprimeable number, because it can be changed into a prime (4982641) 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, 831271 + ... + 831276.

It is an arithmetic number, because the mean of its divisors is an integer number (1662548).

Almost surely, 2^4987641 is an apocalyptic number.

It is an amenable number.

4987641 is a deficient number, since it is larger than the sum of its proper divisors (1662551).

4987641 is a wasteful number, since it uses less digits than its factorization.

4987641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662550.

The product of its digits is 48384, while the sum is 39.

The square root of 4987641 is about 2233.3027112329. The cubic root of 4987641 is about 170.8565878054.

The spelling of 4987641 in words is "four million, nine hundred eighty-seven thousand, six hundred forty-one".