28906692 has 48 divisors (see below), whose sum is σ = 69672960. Its totient is φ = 9322912.

The previous prime is 28906687. The next prime is 28906693. The reversal of 28906692 is 29660982.

It is not an unprimeable number, because it can be changed into a prime (28906693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60109 + ... + 60587.

It is an arithmetic number, because the mean of its divisors is an integer number (1451520).

Almost surely, 2^28906692 is an apocalyptic number.

It is an amenable number.

28906692 is an abundant number, since it is smaller than the sum of its proper divisors (40766268).

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

28906692 is a wasteful number, since it uses less digits than its factorization.

28906692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 28906692 is about 5376.4943969096. The cubic root of 28906692 is about 306.9018207913.

The spelling of 28906692 in words is "twenty-eight million, nine hundred six thousand, six hundred ninety-two".