26906900 has 18 divisors (see below), whose sum is σ = 58388190. Its totient is φ = 10762720.

The previous prime is 26906897. The next prime is 26906911. The reversal of 26906900 is 960962.

It can be written as a sum of positive squares in 3 ways, for example, as 6728836 + 20178064 = 2594^2 + 4492^2 .

It is a super-2 number, since 2×26906900² = 1447962535220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134435 + ... + 134634.

Almost surely, 2^26906900 is an apocalyptic number.

26906900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26906900 is an abundant number, since it is smaller than the sum of its proper divisors (31481290).

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

26906900 is a wasteful number, since it uses less digits than its factorization.

26906900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269083 (or 269076 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 26906900 is about 5187.1861350833. The cubic root of 26906900 is about 299.6547881000.

The spelling of 26906900 in words is "twenty-six million, nine hundred six thousand, nine hundred".