28902842 has 8 divisors (see below), whose sum is σ = 43392000. Its totient is φ = 14438844.

The previous prime is 28902829. The next prime is 28902847. The reversal of 28902842 is 24820982.

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

It is not an unprimeable number, because it can be changed into a prime (28902847) 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, 3092 + ... + 8207.

It is an arithmetic number, because the mean of its divisors is an integer number (5424000).

Almost surely, 2^28902842 is an apocalyptic number.

28902842 is a deficient number, since it is larger than the sum of its proper divisors (14489158).

28902842 is a wasteful number, since it uses less digits than its factorization.

28902842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12580.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 28902842 is about 5376.1363449972. The cubic root of 28902842 is about 306.8881950598. Note that the first 3 decimals are identical.

The spelling of 28902842 in words is "twenty-eight million, nine hundred two thousand, eight hundred forty-two".