28710942 has 16 divisors (see below), whose sum is σ = 61839120. Its totient is φ = 8834112.

The previous prime is 28710917. The next prime is 28710949. The reversal of 28710942 is 24901782.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28710949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183967 + ... + 184122.

It is an arithmetic number, because the mean of its divisors is an integer number (3864945).

Almost surely, 2^28710942 is an apocalyptic number.

28710942 is an abundant number, since it is smaller than the sum of its proper divisors (33128178).

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

28710942 is a wasteful number, since it uses less digits than its factorization.

28710942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368107.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 28710942 is about 5358.2592322507. The cubic root of 28710942 is about 306.2074930869.

The spelling of 28710942 in words is "twenty-eight million, seven hundred ten thousand, nine hundred forty-two".