4987634 has 4 divisors (see below), whose sum is σ = 7481454. Its totient is φ = 2493816.

The previous prime is 4987627. The next prime is 4987639. The reversal of 4987634 is 4367894.

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

It can be written as a sum of positive squares in only one way, i.e., 2569609 + 2418025 = 1603^2 + 1555^2 .

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 4987591 and 4987600.

It is not an unprimeable number, because it can be changed into a prime (4987639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246907 + ... + 1246910.

Almost surely, 2^4987634 is an apocalyptic number.

4987634 is a deficient number, since it is larger than the sum of its proper divisors (2493820).

4987634 is a wasteful number, since it uses less digits than its factorization.

4987634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493819.

The product of its digits is 145152, while the sum is 41.

The square root of 4987634 is about 2233.3011440466. The cubic root of 4987634 is about 170.8565078747.

The spelling of 4987634 in words is "four million, nine hundred eighty-seven thousand, six hundred thirty-four".