4989426 has 32 divisors (see below), whose sum is σ = 10983168. Its totient is φ = 1501440.

The previous prime is 4989409. The next prime is 4989427. The reversal of 4989426 is 6249894.

It is not an unprimeable number, because it can be changed into a prime (4989427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2986 + ... + 4346.

It is an arithmetic number, because the mean of its divisors is an integer number (343224).

Almost surely, 2^4989426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4989426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5491584).

4989426 is an abundant number, since it is smaller than the sum of its proper divisors (5993742).

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

4989426 is a wasteful number, since it uses less digits than its factorization.

4989426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426.

The product of its digits is 124416, while the sum is 42.

The square root of 4989426 is about 2233.7023078289. The cubic root of 4989426 is about 170.8769676893.

The spelling of 4989426 in words is "four million, nine hundred eighty-nine thousand, four hundred twenty-six".