15342428 has 6 divisors (see below), whose sum is σ = 26849256. Its totient is φ = 7671212.

The previous prime is 15342413. The next prime is 15342433. The reversal of 15342428 is 82424351.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15342428.

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 as a sum of consecutive naturals, namely, 1917800 + ... + 1917807.

It is an arithmetic number, because the mean of its divisors is an integer number (4474876).

Almost surely, 2^15342428 is an apocalyptic number.

It is an amenable number.

15342428 is a deficient number, since it is larger than the sum of its proper divisors (11506828).

15342428 is a wasteful number, since it uses less digits than its factorization.

15342428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835611 (or 3835609 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 15342428 is about 3916.9411535023. The cubic root of 15342428 is about 248.4837721361.

Adding to 15342428 its reverse (82424351), we get a palindrome (97766779).

The spelling of 15342428 in words is "fifteen million, three hundred forty-two thousand, four hundred twenty-eight".