1425824 has 24 divisors (see below), whose sum is σ = 2973348. Its totient is φ = 670720.

The previous prime is 1425821. The next prime is 1425863. The reversal of 1425824 is 4285241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1281424 + 144400 = 1132^2 + 380^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1425793 and 1425802.

It is not an unprimeable number, because it can be changed into a prime (1425821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767 + ... + 1854.

2^1425824 is an apocalyptic number.

It is an amenable number.

1425824 is an abundant number, since it is smaller than the sum of its proper divisors (1547524).

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

1425824 is a wasteful number, since it uses less digits than its factorization.

1425824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648 (or 2640 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 1425824 is about 1194.0787243729. The cubic root of 1425824 is about 112.5525417124.

The spelling of 1425824 in words is "one million, four hundred twenty-five thousand, eight hundred twenty-four".