1534428 has 36 divisors (see below), whose sum is σ = 4433520. Its totient is φ = 438336.

The previous prime is 1534411. The next prime is 1534451. The reversal of 1534428 is 8244351.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2793 + ... + 3296.

2^1534428 is an apocalyptic number.

1534428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1534428 is an abundant number, since it is smaller than the sum of its proper divisors (2899092).

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

1534428 is a wasteful number, since it uses less digits than its factorization.

1534428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106 (or 6101 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1534428 is about 1238.7203074141. The cubic root of 1534428 is about 115.3405907945.

Adding to 1534428 its reverse (8244351), we get a palindrome (9778779).

It can be divided in two parts, 15 and 34428, that added together give a palindrome (34443).

The spelling of 1534428 in words is "one million, five hundred thirty-four thousand, four hundred twenty-eight".