26853984 has 48 divisors (see below), whose sum is σ = 78326640. Its totient is φ = 8951040.

The previous prime is 26853979. The next prime is 26853989. The reversal of 26853984 is 48935862.

It is an interprime number because it is at equal distance from previous prime (26853979) and next prime (26853989).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×26853984² = 1442272913344512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26853989) 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, 14677 + ... + 16404.

It is an arithmetic number, because the mean of its divisors is an integer number (1631805).

Almost surely, 2^26853984 is an apocalyptic number.

26853984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26853984 is an abundant number, since it is smaller than the sum of its proper divisors (51472656).

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

26853984 is a wasteful number, since it uses less digits than its factorization.

26853984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31100 (or 31086 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 26853984 is about 5182.0829788802. The cubic root of 26853984 is about 299.4582221783.

The spelling of 26853984 in words is "twenty-six million, eight hundred fifty-three thousand, nine hundred eighty-four".