4989894 has 96 divisors (see below), whose sum is σ = 13351680. Its totient is φ = 1213056.

The previous prime is 4989863. The next prime is 4989917.

4989894 = T₅₂ + T₅₃ + ... + T₃₁₀.

4989894 is nontrivially palindromic in base 10.

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

Its product of digits (746496) is a multiple of the sum of its prime divisors (81).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134844 + ... + 134880.

It is an arithmetic number, because the mean of its divisors is an integer number (139080).

Almost surely, 2^4989894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4989894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6675840).

4989894 is an abundant number, since it is smaller than the sum of its proper divisors (8361786).

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

4989894 is a wasteful number, since it uses less digits than its factorization.

4989894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 81 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 4989894 is about 2233.8070641844. The cubic root of 4989894 is about 170.8823101823.

The spelling of 4989894 in words is "four million, nine hundred eighty-nine thousand, eight hundred ninety-four".