28214682 has 16 divisors (see below), whose sum is σ = 56514240. Its totient is φ = 9390752.

The previous prime is 28214671. The next prime is 28214689. The reversal of 28214682 is 28641282.

It is a happy number.

It is a super-2 number, since 2×28214682² = 1592136560722248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28214689) 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, 1294 + ... + 7622.

It is an arithmetic number, because the mean of its divisors is an integer number (3532140).

Almost surely, 2^28214682 is an apocalyptic number.

28214682 is an abundant number, since it is smaller than the sum of its proper divisors (28299558).

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

28214682 is a wasteful number, since it uses less digits than its factorization.

28214682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7077.

The product of its digits is 12288, while the sum is 33.

The square root of 28214682 is about 5311.7494293312. The cubic root of 28214682 is about 304.4329947664.

It can be divided in two parts, 2821 and 4682, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 28214682 in words is "twenty-eight million, two hundred fourteen thousand, six hundred eighty-two".