26883945 has 24 divisors (see below), whose sum is σ = 50836032. Its totient is φ = 13034400.

The previous prime is 26883931. The next prime is 26883947. The reversal of 26883945 is 54938862.

It is not a de Polignac number, because 26883945 - 2¹² = 26879849 is a prime.

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 26883945.

It is not an unprimeable number, because it can be changed into a prime (26883947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26661 + ... + 27650.

It is an arithmetic number, because the mean of its divisors is an integer number (2118168).

Almost surely, 2^26883945 is an apocalyptic number.

It is an amenable number.

26883945 is a deficient number, since it is larger than the sum of its proper divisors (23952087).

26883945 is a wasteful number, since it uses less digits than its factorization.

26883945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54333 (or 54330 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 26883945 is about 5184.9729989654. The cubic root of 26883945 is about 299.5695493362.

The spelling of 26883945 in words is "twenty-six million, eight hundred eighty-three thousand, nine hundred forty-five".