4999878 has 48 divisors (see below), whose sum is σ = 12186720. Its totient is φ = 1469952.

The previous prime is 4999871. The next prime is 4999879. The reversal of 4999878 is 8789994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4918 + ... + 5846.

It is an arithmetic number, because the mean of its divisors is an integer number (253890).

Almost surely, 2^4999878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4999878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6093360).

4999878 is an abundant number, since it is smaller than the sum of its proper divisors (7186842).

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

4999878 is a wasteful number, since it uses less digits than its factorization.

4999878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 970 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 4999878 is about 2236.0406973041. The cubic root of 4999878 is about 170.9962038759.

The spelling of 4999878 in words is "four million, nine hundred ninety-nine thousand, eight hundred seventy-eight".