28694842 has 16 divisors (see below), whose sum is σ = 47044512. Its totient is φ = 13018320.

The previous prime is 28694801. The next prime is 28694849. The reversal of 28694842 is 24849682.

It is not an unprimeable number, because it can be changed into a prime (28694849) 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, 15793 + ... + 17515.

It is an arithmetic number, because the mean of its divisors is an integer number (2940282).

Almost surely, 2^28694842 is an apocalyptic number.

28694842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28694842 is a deficient number, since it is larger than the sum of its proper divisors (18349670).

28694842 is a wasteful number, since it uses less digits than its factorization.

28694842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493.

The product of its digits is 221184, while the sum is 43.

The square root of 28694842 is about 5356.7566679848. The cubic root of 28694842 is about 306.1502458949.

The spelling of 28694842 in words is "twenty-eight million, six hundred ninety-four thousand, eight hundred forty-two".