28862906 has 8 divisors (see below), whose sum is σ = 45841140. Its totient is φ = 13582528.

The previous prime is 28862857. The next prime is 28862927. The reversal of 28862906 is 60926882.

It can be written as a sum of positive squares in 2 ways, for example, as 27196225 + 1666681 = 5215^2 + 1291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424421 + ... + 424488.

Almost surely, 2^28862906 is an apocalyptic number.

28862906 is a deficient number, since it is larger than the sum of its proper divisors (16978234).

28862906 is a wasteful number, since it uses less digits than its factorization.

28862906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848928.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 28862906 is about 5372.4208695894. The cubic root of 28862906 is about 306.7467840978.

The spelling of 28862906 in words is "twenty-eight million, eight hundred sixty-two thousand, nine hundred six".