28696850 has 144 divisors (see below), whose sum is σ = 72136008. Its totient is φ = 8386560.

The previous prime is 28696841. The next prime is 28696853. The reversal of 28696850 is 5869682.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 2798929 + 25897921 = 1673^2 + 5089^2 .

It is not an unprimeable number, because it can be changed into a prime (28696853) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 541424 + ... + 541476.

Almost surely, 2^28696850 is an apocalyptic number.

28696850 is an abundant number, since it is smaller than the sum of its proper divisors (43439158).

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

28696850 is a wasteful number, since it uses less digits than its factorization.

28696850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 28696850 is about 5356.9440915507. The cubic root of 28696850 is about 306.1573869617.

The spelling of 28696850 in words is "twenty-eight million, six hundred ninety-six thousand, eight hundred fifty".