4891536 has 120 divisors (see below), whose sum is σ = 15430560. Its totient is φ = 1482624.

The previous prime is 4891519. The next prime is 4891547. The reversal of 4891536 is 6351984.

4891536 = 66³ + 67³ + ... + 78³.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4891536.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72975 + ... + 73041.

It is an arithmetic number, because the mean of its divisors is an integer number (128588).

Almost surely, 2^4891536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4891536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7715280).

4891536 is an abundant number, since it is smaller than the sum of its proper divisors (10539024).

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

4891536 is a wasteful number, since it uses less digits than its factorization.

4891536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 85 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 4891536 is about 2211.6817130862. The cubic root of 4891536 is about 169.7520722777.

It can be divided in two parts, 489 and 1536, that added together give a square (2025 = 45²).

The spelling of 4891536 in words is "four million, eight hundred ninety-one thousand, five hundred thirty-six".