26387028 has 36 divisors (see below), whose sum is σ = 67511808. Its totient is φ = 8688720.

The previous prime is 26387021. The next prime is 26387033. The reversal of 26387028 is 82078362.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26386983 and 26387001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26387021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1428 + ... + 7403.

It is an arithmetic number, because the mean of its divisors is an integer number (1875328).

Almost surely, 2^26387028 is an apocalyptic number.

It is an amenable number.

26387028 is an abundant number, since it is smaller than the sum of its proper divisors (41124780).

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

26387028 is a wasteful number, since it uses less digits than its factorization.

26387028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8924 (or 8919 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 26387028 is about 5136.8305403235. The cubic root of 26387028 is about 297.7123329400.

The spelling of 26387028 in words is "twenty-six million, three hundred eighty-seven thousand, twenty-eight".