4272426 has 48 divisors (see below), whose sum is σ = 9828000. Its totient is φ = 1390608.

The previous prime is 4272419. The next prime is 4272449. The reversal of 4272426 is 6242724.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4272426.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28600 + ... + 28748.

It is an arithmetic number, because the mean of its divisors is an integer number (204750).

Almost surely, 2^4272426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4272426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4914000).

4272426 is an abundant number, since it is smaller than the sum of its proper divisors (5555574).

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

4272426 is a wasteful number, since it uses less digits than its factorization.

4272426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 213 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 4272426 is about 2066.9847604663. The cubic root of 4272426 is about 162.2649983800.

The spelling of 4272426 in words is "four million, two hundred seventy-two thousand, four hundred twenty-six".