4728786 has 16 divisors (see below), whose sum is σ = 9478944. Its totient is φ = 1572704.

The previous prime is 4728767. The next prime is 4728797. The reversal of 4728786 is 6878274.

It is a super-2 number, since 2×4728786² = 44722834067592, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁹ + 7⁴ + 2²² + 8⁴ + 7⁴ + 8⁶ + 6⁴ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4486 + ... + 5438.

It is an arithmetic number, because the mean of its divisors is an integer number (592434).

Almost surely, 2^4728786 is an apocalyptic number.

4728786 is an abundant number, since it is smaller than the sum of its proper divisors (4750158).

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

4728786 is a wasteful number, since it uses less digits than its factorization.

4728786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785.

The product of its digits is 150528, while the sum is 42.

The square root of 4728786 is about 2174.5772002851. The cubic root of 4728786 is about 167.8481479325.

The spelling of 4728786 in words is "four million, seven hundred twenty-eight thousand, seven hundred eighty-six".