26863420 has 24 divisors (see below), whose sum is σ = 56944944. Its totient is φ = 10644096.

The previous prime is 26863411. The next prime is 26863423. The reversal of 26863420 is 2436862.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26863423) 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, 4137 + ... + 8416.

It is an arithmetic number, because the mean of its divisors is an integer number (2372706).

Almost surely, 2^26863420 is an apocalyptic number.

26863420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26863420 is an abundant number, since it is smaller than the sum of its proper divisors (30081524).

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

26863420 is a wasteful number, since it uses less digits than its factorization.

26863420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12669 (or 12667 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 26863420 is about 5182.9933436191. The cubic root of 26863420 is about 299.4932927893.

The spelling of 26863420 in words is "twenty-six million, eight hundred sixty-three thousand, four hundred twenty".