1572426 has 32 divisors (see below), whose sum is σ = 3593280. Its totient is φ = 509328.

The previous prime is 1572419. The next prime is 1572427. The reversal of 1572426 is 6242751.

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 1572426.

It is not an unprimeable number, because it can be changed into a prime (1572427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1605 + ... + 2391.

It is an arithmetic number, because the mean of its divisors is an integer number (112290).

2^1572426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1572426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1796640).

1572426 is an abundant number, since it is smaller than the sum of its proper divisors (2020854).

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

1572426 is a wasteful number, since it uses less digits than its factorization.

1572426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 829 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 1572426 is about 1253.9641143191. The cubic root of 1572426 is about 116.2849218704.

The spelling of 1572426 in words is "one million, five hundred seventy-two thousand, four hundred twenty-six".