28786262 has 4 divisors (see below), whose sum is σ = 43179396. Its totient is φ = 14393130.

The previous prime is 28786217. The next prime is 28786283. The reversal of 28786262 is 26268782.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7196564 + ... + 7196567.

It is an arithmetic number, because the mean of its divisors is an integer number (10794849).

Almost surely, 2^28786262 is an apocalyptic number.

28786262 is a deficient number, since it is larger than the sum of its proper divisors (14393134).

28786262 is a wasteful number, since it uses less digits than its factorization.

28786262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14393133.

The product of its digits is 129024, while the sum is 41.

The square root of 28786262 is about 5365.2830307450. The cubic root of 28786262 is about 306.4750265067.

The spelling of 28786262 in words is "twenty-eight million, seven hundred eighty-six thousand, two hundred sixty-two".