4687994 has 4 divisors (see below), whose sum is σ = 7031994. Its totient is φ = 2343996.

The previous prime is 4687993. The next prime is 4687999. The reversal of 4687994 is 4997864.

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., 2362369 + 2325625 = 1537^2 + 1525^2 .

It is not an unprimeable number, because it can be changed into a prime (4687993) 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, 1171997 + ... + 1172000.

Almost surely, 2^4687994 is an apocalyptic number.

4687994 is a deficient number, since it is larger than the sum of its proper divisors (2344000).

4687994 is a wasteful number, since it uses less digits than its factorization.

4687994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343999.

The product of its digits is 435456, while the sum is 47.

The square root of 4687994 is about 2165.1775908687. The cubic root of 4687994 is about 167.3641164230.

It can be divided in two parts, 4687 and 994, that multiplied together give a triangular number (4658878 = T₃₀₅₂).

The spelling of 4687994 in words is "four million, six hundred eighty-seven thousand, nine hundred ninety-four".