26909982 has 40 divisors (see below), whose sum is σ = 65784312. Its totient is φ = 8154000.

The previous prime is 26909921. The next prime is 26910001. The reversal of 26909982 is 28990962.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5769 + ... + 9332.

Almost surely, 2^26909982 is an apocalyptic number.

26909982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26909982 is an abundant number, since it is smaller than the sum of its proper divisors (38874330).

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

26909982 is a wasteful number, since it uses less digits than its factorization.

26909982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15126 (or 15117 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 26909982 is about 5187.4832047921. The cubic root of 26909982 is about 299.6662287937. Note that the first 3 decimals are identical.

The spelling of 26909982 in words is "twenty-six million, nine hundred nine thousand, nine hundred eighty-two".