28662042 has 16 divisors (see below), whose sum is σ = 59173632. Its totient is φ = 9245760.

The previous prime is 28662031. The next prime is 28662047. The reversal of 28662042 is 24026682.

It is not an unprimeable number, because it can be changed into a prime (28662047) 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, 76863 + ... + 77234.

It is an arithmetic number, because the mean of its divisors is an integer number (3698352).

Almost surely, 2^28662042 is an apocalyptic number.

28662042 is an abundant number, since it is smaller than the sum of its proper divisors (30511590).

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

28662042 is a wasteful number, since it uses less digits than its factorization.

28662042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154133.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 28662042 is about 5353.6942385609. The cubic root of 28662042 is about 306.0335517912.

The spelling of 28662042 in words is "twenty-eight million, six hundred sixty-two thousand, forty-two".