28694118 has 16 divisors (see below), whose sum is σ = 57440880. Its totient is φ = 9555936.

The previous prime is 28694117. The next prime is 28694131. The reversal of 28694118 is 81149682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28694117) 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, 10996 + ... + 13352.

It is an arithmetic number, because the mean of its divisors is an integer number (3590055).

Almost surely, 2^28694118 is an apocalyptic number.

28694118 is an abundant number, since it is smaller than the sum of its proper divisors (28746762).

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

28694118 is a wasteful number, since it uses less digits than its factorization.

28694118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4391.

The product of its digits is 27648, while the sum is 39.

The square root of 28694118 is about 5356.6890893536. The cubic root of 28694118 is about 306.1476710460.

The spelling of 28694118 in words is "twenty-eight million, six hundred ninety-four thousand, one hundred eighteen".