26946481 has 9 divisors (see below), whose sum is σ = 28064491. Its totient is φ = 25871944.

The previous prime is 26946473. The next prime is 26946523. The reversal of 26946481 is 18464962.

The square root of 26946481 is 5191.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14130081 + 12816400 = 3759^2 + 3580^2 .

It is not a de Polignac number, because 26946481 - 2³ = 26946473 is a prime.

It is a super-2 number, since 2×26946481² = 1452225676566722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26946461) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 150450 + ... + 150628.

Almost surely, 2^26946481 is an apocalyptic number.

26946481 is the 5191-st square number.

26946481 is the 2596-th centered octagonal number.

It is an amenable number.

26946481 is a deficient number, since it is larger than the sum of its proper divisors (1118010).

26946481 is an frugal number, since it uses more digits than its factorization.

26946481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 208 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The cubic root of 26946481 is about 299.8016503685.

Multiplying 26946481 by its product of digits (82944), we get a square (2235048920064 = 1495008²).

The spelling of 26946481 in words is "twenty-six million, nine hundred forty-six thousand, four hundred eighty-one".