4456428 has 24 divisors (see below), whose sum is σ = 10680432. Its totient is φ = 1445184.

The previous prime is 4456427. The next prime is 4456429. The reversal of 4456428 is 8246544.

It is an interprime number because it is at equal distance from previous prime (4456427) and next prime (4456429).

It is not an unprimeable number, because it can be changed into a prime (4456421) 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, 4575 + ... + 5462.

It is an arithmetic number, because the mean of its divisors is an integer number (445018).

Almost surely, 2^4456428 is an apocalyptic number.

It is an amenable number.

4456428 is an abundant number, since it is smaller than the sum of its proper divisors (6224004).

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

4456428 is a wasteful number, since it uses less digits than its factorization.

4456428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10081 (or 10079 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 4456428 is about 2111.0253432870. The cubic root of 4456428 is about 164.5617756236.

It can be divided in two parts, 4456 and 428, that added together give a palindrome (4884).

The spelling of 4456428 in words is "four million, four hundred fifty-six thousand, four hundred twenty-eight".