4289994 has 24 divisors (see below), whose sum is σ = 9523332. Its totient is φ = 1394880.

The previous prime is 4289977. The next prime is 4290017. The reversal of 4289994 is 4999824.

It can be written as a sum of positive squares in 2 ways, for example, as 4149369 + 140625 = 2037^2 + 375^2 .

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 2169 + ... + 3644.

Almost surely, 2^4289994 is an apocalyptic number.

4289994 is an abundant number, since it is smaller than the sum of its proper divisors (5233338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4289994 is a wasteful number, since it uses less digits than its factorization.

4289994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5862 (or 5859 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 4289994 is about 2071.2300693066. The cubic root of 4289994 is about 162.4871027239.

The spelling of 4289994 in words is "four million, two hundred eighty-nine thousand, nine hundred ninety-four".