26406172 has 24 divisors (see below), whose sum is σ = 51373952. Its totient is φ = 11793600.

The previous prime is 26406169. The next prime is 26406199. The reversal of 26406172 is 27160462.

It is a self number, because there is not a number n which added to its sum of digits gives 26406172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6579 + ... + 9802.

Almost surely, 2^26406172 is an apocalyptic number.

It is an amenable number.

26406172 is a deficient number, since it is larger than the sum of its proper divisors (24967780).

26406172 is a wasteful number, since it uses less digits than its factorization.

26406172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16429 (or 16427 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 26406172 is about 5138.6936083016. The cubic root of 26406172 is about 297.7843130955.

The spelling of 26406172 in words is "twenty-six million, four hundred six thousand, one hundred seventy-two".