28535694 has 16 divisors (see below), whose sum is σ = 62259840. Its totient is φ = 8647160.

The previous prime is 28535687. The next prime is 28535711. The reversal of 28535694 is 49653582.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216114 + ... + 216245.

It is an arithmetic number, because the mean of its divisors is an integer number (3891240).

Almost surely, 2^28535694 is an apocalyptic number.

28535694 is an abundant number, since it is smaller than the sum of its proper divisors (33724146).

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

28535694 is a wasteful number, since it uses less digits than its factorization.

28535694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432375.

The product of its digits is 259200, while the sum is 42.

The square root of 28535694 is about 5341.8811293401. The cubic root of 28535694 is about 305.5832037473.

The spelling of 28535694 in words is "twenty-eight million, five hundred thirty-five thousand, six hundred ninety-four".