28094026 has 8 divisors (see below), whose sum is σ = 43280100. Its totient is φ = 13667328.

The previous prime is 28094021. The next prime is 28094039. The reversal of 28094026 is 62049082.

It can be written as a sum of positive squares in 2 ways, for example, as 27092025 + 1002001 = 5205^2 + 1001^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28094021) 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 3 ways as a sum of consecutive naturals, for example, 189751 + ... + 189898.

Almost surely, 2^28094026 is an apocalyptic number.

28094026 is a deficient number, since it is larger than the sum of its proper divisors (15186074).

28094026 is a wasteful number, since it uses less digits than its factorization.

28094026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379688.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 28094026 is about 5300.3797977126. The cubic root of 28094026 is about 303.9984201788.

The spelling of 28094026 in words is "twenty-eight million, ninety-four thousand, twenty-six".