26464939 has 4 divisors (see below), whose sum is σ = 26699256. Its totient is φ = 26230624.

The previous prime is 26464913. The next prime is 26464957. The reversal of 26464939 is 93946462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26464939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26464895 and 26464904.

It is not an unprimeable number, because it can be changed into a prime (26464969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116989 + ... + 117214.

It is an arithmetic number, because the mean of its divisors is an integer number (6674814).

Almost surely, 2^26464939 is an apocalyptic number.

26464939 is a deficient number, since it is larger than the sum of its proper divisors (234317).

26464939 is a wasteful number, since it uses less digits than its factorization.

26464939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234316.

The product of its digits is 279936, while the sum is 43.

The square root of 26464939 is about 5144.4085179931. The cubic root of 26464939 is about 298.0050559928.

The spelling of 26464939 in words is "twenty-six million, four hundred sixty-four thousand, nine hundred thirty-nine".