4396728 has 32 divisors (see below), whose sum is σ = 12562560. Its totient is φ = 1256160.

The previous prime is 4396687. The next prime is 4396729. The reversal of 4396728 is 8276934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4396729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12918 + ... + 13253.

It is an arithmetic number, because the mean of its divisors is an integer number (392580).

Almost surely, 2^4396728 is an apocalyptic number.

It is an amenable number.

4396728 is an abundant number, since it is smaller than the sum of its proper divisors (8165832).

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

4396728 is a wasteful number, since it uses less digits than its factorization.

4396728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26187 (or 26183 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 4396728 is about 2096.8376188918. The cubic root of 4396728 is about 163.8236255748.

It can be divided in two parts, 439 and 6728, that multiplied together give a palindrome (2953592).

The spelling of 4396728 in words is "four million, three hundred ninety-six thousand, seven hundred twenty-eight".