26868465 has 36 divisors (see below), whose sum is σ = 50444316. Its totient is φ = 13223808.

The previous prime is 26868461. The next prime is 26868467. The reversal of 26868465 is 56486862.

It can be written as a sum of positive squares in 6 ways, for example, as 2187441 + 24681024 = 1479^2 + 4968^2 .

It is not a de Polignac number, because 26868465 - 2² = 26868461 is a prime.

It is a super-3 number, since 3×26868465³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 26868465.

It is not an unprimeable number, because it can be changed into a prime (26868461) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5839 + ... + 9371.

It is an arithmetic number, because the mean of its divisors is an integer number (1401231).

Almost surely, 2^26868465 is an apocalyptic number.

It is an amenable number.

26868465 is a deficient number, since it is larger than the sum of its proper divisors (23575851).

26868465 is a wasteful number, since it uses less digits than its factorization.

26868465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570 (or 3554 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 26868465 is about 5183.4800086428. The cubic root of 26868465 is about 299.5120400807.

The spelling of 26868465 in words is "twenty-six million, eight hundred sixty-eight thousand, four hundred sixty-five".