4273428 has 24 divisors (see below), whose sum is σ = 10184832. Its totient is φ = 1393984.

The previous prime is 4273427. The next prime is 4273439. The reversal of 4273428 is 8243724.

It is a d-powerful number, because it can be written as 4⁷ + 2¹¹ + 7² + 3⁹ + 4¹¹ + 2¹³ + 8⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 4273395 and 4273404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4273427) 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, 3225 + ... + 4352.

It is an arithmetic number, because the mean of its divisors is an integer number (424368).

Almost surely, 2^4273428 is an apocalyptic number.

It is an amenable number.

4273428 is an abundant number, since it is smaller than the sum of its proper divisors (5911404).

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

4273428 is a wasteful number, since it uses less digits than its factorization.

4273428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631 (or 7629 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 4273428 is about 2067.2271283050. The cubic root of 4273428 is about 162.2776825724.

It can be divided in two parts, 427342 and 8, that added together give a triangular number (427350 = T₉₂₄).

The spelling of 4273428 in words is "four million, two hundred seventy-three thousand, four hundred twenty-eight".