5147784 has 96 divisors (see below), whose sum is σ = 15163200. Its totient is φ = 1572480.

The previous prime is 5147749. The next prime is 5147789. The reversal of 5147784 is 4877415.

It is a super-2 number, since 2×5147784² = 52999360221312, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (5147789) 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, 72469 + ... + 72539.

It is an arithmetic number, because the mean of its divisors is an integer number (157950).

Almost surely, 2^5147784 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 5147784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7581600).

5147784 is an abundant number, since it is smaller than the sum of its proper divisors (10015416).

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

5147784 is a wasteful number, since it uses less digits than its factorization.

5147784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 148 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 5147784 is about 2268.8728479137. The cubic root of 5147784 is about 172.6659776130.

The spelling of 5147784 in words is "five million, one hundred forty-seven thousand, seven hundred eighty-four".