26469861 has 16 divisors (see below), whose sum is σ = 38587968. Its totient is φ = 16006400.

The previous prime is 26469853. The next prime is 26469871. The reversal of 26469861 is 16896462.

It is a cyclic number.

It is not a de Polignac number, because 26469861 - 2³ = 26469853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26469841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26605 + ... + 27581.

It is an arithmetic number, because the mean of its divisors is an integer number (2411748).

Almost surely, 2^26469861 is an apocalyptic number.

It is an amenable number.

26469861 is a deficient number, since it is larger than the sum of its proper divisors (12118107).

26469861 is a wasteful number, since it uses less digits than its factorization.

26469861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812.

The product of its digits is 124416, while the sum is 42.

The square root of 26469861 is about 5144.8868792229. The cubic root of 26469861 is about 298.0235293644.

It can be divided in two parts, 264 and 69861, that added together give a triangular number (70125 = T₃₇₄).

The spelling of 26469861 in words is "twenty-six million, four hundred sixty-nine thousand, eight hundred sixty-one".