28762142 has 8 divisors (see below), whose sum is σ = 44631000. Its totient is φ = 13885144.

The previous prime is 28762127. The next prime is 28762159. The reversal of 28762142 is 24126782.

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

It is a junction number, because it is equal to n+sod(n) for n = 28762099 and 28762108.

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 3 ways as a sum of consecutive naturals, for example, 247892 + ... + 248007.

It is an arithmetic number, because the mean of its divisors is an integer number (5578875).

Almost surely, 2^28762142 is an apocalyptic number.

28762142 is a deficient number, since it is larger than the sum of its proper divisors (15868858).

28762142 is a wasteful number, since it uses less digits than its factorization.

28762142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495930.

The product of its digits is 10752, while the sum is 32.

The square root of 28762142 is about 5363.0347751996. The cubic root of 28762142 is about 306.3894041447.

The spelling of 28762142 in words is "twenty-eight million, seven hundred sixty-two thousand, one hundred forty-two".