26861408 has 72 divisors (see below), whose sum is σ = 63316512. Its totient is φ = 11176704.

The previous prime is 26861363. The next prime is 26861423. The reversal of 26861408 is 80416862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57785 + ... + 58247.

It is an arithmetic number, because the mean of its divisors is an integer number (879396).

Almost surely, 2^26861408 is an apocalyptic number.

26861408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26861408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31658256).

26861408 is an abundant number, since it is smaller than the sum of its proper divisors (36455104).

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

26861408 is a wasteful number, since it uses less digits than its factorization.

26861408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 26861408 is about 5182.7992436520. The cubic root of 26861408 is about 299.4858155142.

The spelling of 26861408 in words is "twenty-six million, eight hundred sixty-one thousand, four hundred eight".