1572428 has 24 divisors (see below), whose sum is σ = 3234000. Its totient is φ = 659520.

The previous prime is 1572427. The next prime is 1572433. The reversal of 1572428 is 8242751.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1572428.

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 7 ways as a sum of consecutive naturals, for example, 803 + ... + 1946.

It is an arithmetic number, because the mean of its divisors is an integer number (134750).

2^1572428 is an apocalyptic number.

It is an amenable number.

1572428 is an abundant number, since it is smaller than the sum of its proper divisors (1661572).

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

1572428 is a wasteful number, since it uses less digits than its factorization.

1572428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777 (or 2775 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 1572428 is about 1253.9649117898. The cubic root of 1572428 is about 116.2849711721.

The spelling of 1572428 in words is "one million, five hundred seventy-two thousand, four hundred twenty-eight".