1523428 has 24 divisors (see below), whose sum is σ = 2882880. Its totient is φ = 702240.

The previous prime is 1523419. The next prime is 1523429. The reversal of 1523428 is 8243251.

It is not an unprimeable number, because it can be changed into a prime (1523429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2383 + ... + 2953.

It is an arithmetic number, because the mean of its divisors is an integer number (120120).

2^1523428 is an apocalyptic number.

It is an amenable number.

1523428 is a deficient number, since it is larger than the sum of its proper divisors (1359452).

1523428 is a wasteful number, since it uses less digits than its factorization.

1523428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 625 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 1523428 is about 1234.2722552176. The cubic root of 1523428 is about 115.0643118540.

Adding to 1523428 its reverse (8243251), we get a palindrome (9766679).

The spelling of 1523428 in words is "one million, five hundred twenty-three thousand, four hundred twenty-eight".