26465989 has 8 divisors (see below), whose sum is σ = 29652768. Its totient is φ = 23409360.

The previous prime is 26465987. The next prime is 26466007. The reversal of 26465989 is 98956462.

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

It is a cyclic number.

It is not a de Polignac number, because 26465989 - 2¹ = 26465987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26465983) 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, 32107 + ... + 32920.

It is an arithmetic number, because the mean of its divisors is an integer number (3706596).

Almost surely, 2^26465989 is an apocalyptic number.

It is an amenable number.

26465989 is a deficient number, since it is larger than the sum of its proper divisors (3186779).

26465989 is a wasteful number, since it uses less digits than its factorization.

26465989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65075.

The product of its digits is 933120, while the sum is 49.

The square root of 26465989 is about 5144.5105695294. The cubic root of 26465989 is about 298.0089970708.

The spelling of 26465989 in words is "twenty-six million, four hundred sixty-five thousand, nine hundred eighty-nine".