26891230 has 16 divisors (see below), whose sum is σ = 49713120. Its totient is φ = 10465632.

The previous prime is 26891219. The next prime is 26891231. The reversal of 26891230 is 3219862.

It is a junction number, because it is equal to n+sod(n) for n = 26891192 and 26891201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26891231) 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, 35970 + ... + 36709.

It is an arithmetic number, because the mean of its divisors is an integer number (3107070).

Almost surely, 2^26891230 is an apocalyptic number.

26891230 is a deficient number, since it is larger than the sum of its proper divisors (22821890).

26891230 is a wasteful number, since it uses less digits than its factorization.

26891230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72723.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 26891230 is about 5185.6754622710. The cubic root of 26891230 is about 299.5966059688.

The spelling of 26891230 in words is "twenty-six million, eight hundred ninety-one thousand, two hundred thirty".