26420961 has 8 divisors (see below), whose sum is σ = 40260544. Its totient is φ = 15097680.

The previous prime is 26420939. The next prime is 26420969. The reversal of 26420961 is 16902462.

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

It is not a de Polignac number, because 26420961 - 2⁵ = 26420929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26420969) 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, 629050 + ... + 629091.

It is an arithmetic number, because the mean of its divisors is an integer number (5032568).

Almost surely, 2^26420961 is an apocalyptic number.

26420961 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

26420961 is a deficient number, since it is larger than the sum of its proper divisors (13839583).

26420961 is a wasteful number, since it uses less digits than its factorization.

26420961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258151.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 26420961 is about 5140.1323912911. The cubic root of 26420961 is about 297.8398949283.

The spelling of 26420961 in words is "twenty-six million, four hundred twenty thousand, nine hundred sixty-one".