4989946 has 32 divisors (see below), whose sum is σ = 8580096. Its totient is φ = 2160000.

The previous prime is 4989937. The next prime is 4989947. The reversal of 4989946 is 6499894.

It is a super-2 number, since 2×4989946² = 49799122165832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4989946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989947) 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, 32971 + ... + 33121.

It is an arithmetic number, because the mean of its divisors is an integer number (268128).

Almost surely, 2^4989946 is an apocalyptic number.

4989946 is a deficient number, since it is larger than the sum of its proper divisors (3590150).

4989946 is a wasteful number, since it uses less digits than its factorization.

4989946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238.

The product of its digits is 559872, while the sum is 49.

The square root of 4989946 is about 2233.8187034762. The cubic root of 4989946 is about 170.8829037720.

The spelling of 4989946 in words is "four million, nine hundred eighty-nine thousand, nine hundred forty-six".