28706262 has 16 divisors (see below), whose sum is σ = 61829040. Its totient is φ = 8832672.

The previous prime is 28706261. The next prime is 28706263. The reversal of 28706262 is 26260782.

It is an interprime number because it is at equal distance from previous prime (28706261) and next prime (28706263).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28706261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183937 + ... + 184092.

It is an arithmetic number, because the mean of its divisors is an integer number (3864315).

Almost surely, 2^28706262 is an apocalyptic number.

28706262 is an abundant number, since it is smaller than the sum of its proper divisors (33122778).

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

28706262 is a wasteful number, since it uses less digits than its factorization.

28706262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368047.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 28706262 is about 5357.8225054587. The cubic root of 28706262 is about 306.1908544951.

The spelling of 28706262 in words is "twenty-eight million, seven hundred six thousand, two hundred sixty-two".