28026692 has 24 divisors (see below), whose sum is σ = 49942872. Its totient is φ = 13760000.

The previous prime is 28026683. The next prime is 28026701. The reversal of 28026692 is 29662082.

28026692 = T₃₃ + T₃₄ + ... + T₅₅₁.

It is an interprime number because it is at equal distance from previous prime (28026683) and next prime (28026701).

It can be written as a sum of positive squares in 4 ways, for example, as 25542916 + 2483776 = 5054^2 + 1576^2 .

It is an unprimeable number.

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, 69692 + ... + 70092.

It is an arithmetic number, because the mean of its divisors is an integer number (2080953).

Almost surely, 2^28026692 is an apocalyptic number.

It is an amenable number.

28026692 is a deficient number, since it is larger than the sum of its proper divisors (21916180).

28026692 is a wasteful number, since it uses less digits than its factorization.

28026692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 28026692 is about 5294.0241782599. The cubic root of 28026692 is about 303.7553577721.

The spelling of 28026692 in words is "twenty-eight million, twenty-six thousand, six hundred ninety-two".