26684940 has 48 divisors (see below), whose sum is σ = 76462848. Its totient is φ = 6949824.

The previous prime is 26684929. The next prime is 26684969. The reversal of 26684940 is 4948662.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2592 + ... + 7751.

It is an arithmetic number, because the mean of its divisors is an integer number (1592976).

Almost surely, 2^26684940 is an apocalyptic number.

26684940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26684940 is an abundant number, since it is smaller than the sum of its proper divisors (49777908).

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

26684940 is a wasteful number, since it uses less digits than its factorization.

26684940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10398 (or 10396 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 26684940 is about 5165.7467998345. The cubic root of 26684940 is about 298.8285426911.

The spelling of 26684940 in words is "twenty-six million, six hundred eighty-four thousand, nine hundred forty".