26840394 has 24 divisors (see below), whose sum is σ = 66462240. Its totient is φ = 7668648.

The previous prime is 26840351. The next prime is 26840423. The reversal of 26840394 is 49304862.

It is a happy number.

26840394 is a `hidden beast` number, since 268 + 4 + 0 + 394 = 666.

It is a Curzon 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, 106384 + ... + 106635.

It is an arithmetic number, because the mean of its divisors is an integer number (2769260).

Almost surely, 2^26840394 is an apocalyptic number.

26840394 is an abundant number, since it is smaller than the sum of its proper divisors (39621846).

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

26840394 is a wasteful number, since it uses less digits than its factorization.

26840394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213034 (or 213031 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 26840394 is about 5180.7715641591. The cubic root of 26840394 is about 299.4076980309.

The spelling of 26840394 in words is "twenty-six million, eight hundred forty thousand, three hundred ninety-four".