1535442 has 8 divisors (see below), whose sum is σ = 3070896. Its totient is φ = 511812.

The previous prime is 1535441. The next prime is 1535453. The reversal of 1535442 is 2445351.

It is a sphenic number, since it is the product of 3 distinct primes.

1535442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1535441) 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 3 ways as a sum of consecutive naturals, for example, 127948 + ... + 127959.

It is an arithmetic number, because the mean of its divisors is an integer number (383862).

2^1535442 is an apocalyptic number.

1535442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1535442 is a wasteful number, since it uses less digits than its factorization.

1535442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255912.

The product of its digits is 2400, while the sum is 24.

The square root of 1535442 is about 1239.1295331805. The cubic root of 1535442 is about 115.3659921396.

Subtracting 1535442 from its reverse (2445351), we obtain a palindrome (909909).

The spelling of 1535442 in words is "one million, five hundred thirty-five thousand, four hundred forty-two".