26830906 has 8 divisors (see below), whose sum is σ = 40268340. Its totient is φ = 13408128.

The previous prime is 26830901. The next prime is 26830939. The reversal of 26830906 is 60903862.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21114025 + 5716881 = 4595^2 + 2391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (26830901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5380 + ... + 9088.

Almost surely, 2^26830906 is an apocalyptic number.

26830906 is a deficient number, since it is larger than the sum of its proper divisors (13437434).

26830906 is a wasteful number, since it uses less digits than its factorization.

26830906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7328.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 26830906 is about 5179.8557894984. The cubic root of 26830906 is about 299.3724139606.

The spelling of 26830906 in words is "twenty-six million, eight hundred thirty thousand, nine hundred six".