26630146 has 8 divisors (see below), whose sum is σ = 39982284. Its totient is φ = 13302720.

The previous prime is 26630141. The next prime is 26630167. The reversal of 26630146 is 64103662.

It can be written as a sum of positive squares in 2 ways, for example, as 24117921 + 2512225 = 4911^2 + 1585^2 .

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 (26630141) 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, 3195 + ... + 7966.

Almost surely, 2^26630146 is an apocalyptic number.

26630146 is a deficient number, since it is larger than the sum of its proper divisors (13352138).

26630146 is a wasteful number, since it uses less digits than its factorization.

26630146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12356.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 26630146 is about 5160.4404850749. The cubic root of 26630146 is about 298.6238675540.

The spelling of 26630146 in words is "twenty-six million, six hundred thirty thousand, one hundred forty-six".