26806630 has 32 divisors (see below), whose sum is σ = 50992128. Its totient is φ = 10130400.

The previous prime is 26806627. The next prime is 26806639. The reversal of 26806630 is 3660862.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 26806592 and 26806601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26806639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12325 + ... + 14335.

It is an arithmetic number, because the mean of its divisors is an integer number (1593504).

Almost surely, 2^26806630 is an apocalyptic number.

26806630 is a deficient number, since it is larger than the sum of its proper divisors (24185498).

26806630 is a wasteful number, since it uses less digits than its factorization.

26806630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 26806630 is about 5177.5119507346. The cubic root of 26806630 is about 299.2820982421.

The spelling of 26806630 in words is "twenty-six million, eight hundred six thousand, six hundred thirty".