26813982 has 16 divisors (see below), whose sum is σ = 57753360. Its totient is φ = 8250432.

The previous prime is 26813957. The next prime is 26813987. The reversal of 26813982 is 28931862.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 26813982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26813987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171807 + ... + 171962.

It is an arithmetic number, because the mean of its divisors is an integer number (3609585).

Almost surely, 2^26813982 is an apocalyptic number.

26813982 is an abundant number, since it is smaller than the sum of its proper divisors (30939378).

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

26813982 is a wasteful number, since it uses less digits than its factorization.

26813982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343787.

The product of its digits is 41472, while the sum is 39.

The square root of 26813982 is about 5178.2218955931. The cubic root of 26813982 is about 299.3094561614.

The spelling of 26813982 in words is "twenty-six million, eight hundred thirteen thousand, nine hundred eighty-two".