26865428 has 12 divisors (see below), whose sum is σ = 47085780. Its totient is φ = 13412352.

The previous prime is 26865427. The next prime is 26865431. The reversal of 26865428 is 82456862.

It can be written as a sum of positive squares in 2 ways, for example, as 16224784 + 10640644 = 4028^2 + 3262^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26865427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1901 + ... + 7572.

It is an arithmetic number, because the mean of its divisors is an integer number (3923815).

Almost surely, 2^26865428 is an apocalyptic number.

It is an amenable number.

26865428 is a deficient number, since it is larger than the sum of its proper divisors (20220352).

26865428 is a wasteful number, since it uses less digits than its factorization.

26865428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10186 (or 10184 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 26865428 is about 5183.1870504546. The cubic root of 26865428 is about 299.5007548269.

The spelling of 26865428 in words is "twenty-six million, eight hundred sixty-five thousand, four hundred twenty-eight".