4919487 has 4 divisors (see below), whose sum is σ = 6559320. Its totient is φ = 3279656.

The previous prime is 4919471. The next prime is 4919491. The reversal of 4919487 is 7849194.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4919487 - 2⁴ = 4919471 is a prime.

It is a D-number.

4919487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4919417) 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, 819912 + ... + 819917.

It is an arithmetic number, because the mean of its divisors is an integer number (1639830).

Almost surely, 2^4919487 is an apocalyptic number.

4919487 is a deficient number, since it is larger than the sum of its proper divisors (1639833).

4919487 is a wasteful number, since it uses less digits than its factorization.

4919487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639832.

The product of its digits is 72576, while the sum is 42.

The square root of 4919487 is about 2217.9916591367. The cubic root of 4919487 is about 170.0747883161.

The spelling of 4919487 in words is "four million, nine hundred nineteen thousand, four hundred eighty-seven".