26428361 has 4 divisors (see below), whose sum is σ = 26442000. Its totient is φ = 26414724.

The previous prime is 26428349. The next prime is 26428379. The reversal of 26428361 is 16382462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26428361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26428321) 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, 3311 + ... + 7988.

It is an arithmetic number, because the mean of its divisors is an integer number (6610500).

Almost surely, 2^26428361 is an apocalyptic number.

It is an amenable number.

26428361 is a deficient number, since it is larger than the sum of its proper divisors (13639).

26428361 is a wasteful number, since it uses less digits than its factorization.

26428361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13638.

The product of its digits is 13824, while the sum is 32.

The square root of 26428361 is about 5140.8521667132. The cubic root of 26428361 is about 297.8676987301.

The spelling of 26428361 in words is "twenty-six million, four hundred twenty-eight thousand, three hundred sixty-one".