26285649 has 8 divisors (see below), whose sum is σ = 37743552. Its totient is φ = 16175760.

The previous prime is 26285639. The next prime is 26285653. The reversal of 26285649 is 94658262.

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

It is not a de Polignac number, because 26285649 - 2⁵ = 26285617 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 26285649.

It is not an unprimeable number, because it can be changed into a prime (26285639) 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, 336957 + ... + 337034.

It is an arithmetic number, because the mean of its divisors is an integer number (4717944).

Almost surely, 2^26285649 is an apocalyptic number.

It is an amenable number.

26285649 is a deficient number, since it is larger than the sum of its proper divisors (11457903).

26285649 is a wasteful number, since it uses less digits than its factorization.

26285649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674007.

The product of its digits is 207360, while the sum is 42.

The square root of 26285649 is about 5126.9531887857. The cubic root of 26285649 is about 297.3305732091.

The spelling of 26285649 in words is "twenty-six million, two hundred eighty-five thousand, six hundred forty-nine".