26864046 has 96 divisors (see below), whose sum is σ = 70357248. Its totient is φ = 7307520.

The previous prime is 26864041. The next prime is 26864051. The reversal of 26864046 is 64046862.

It is a happy number.

26864046 is a `hidden beast` number, since 2 + 6 + 8 + 640 + 4 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (26864041) and next prime (26864051).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26864046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26864041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77245 + ... + 77591.

It is an arithmetic number, because the mean of its divisors is an integer number (732888).

Almost surely, 2^26864046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26864046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35178624).

26864046 is an abundant number, since it is smaller than the sum of its proper divisors (43493202).

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

26864046 is a wasteful number, since it uses less digits than its factorization.

26864046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 26864046 is about 5183.0537330805. The cubic root of 26864046 is about 299.4956191417.

The spelling of 26864046 in words is "twenty-six million, eight hundred sixty-four thousand, forty-six".