26790436 has 12 divisors (see below), whose sum is σ = 49641228. Its totient is φ = 12607232.

The previous prime is 26790431. The next prime is 26790457. The reversal of 26790436 is 63409762.

It can be written as a sum of positive squares in 2 ways, for example, as 22505536 + 4284900 = 4744^2 + 2070^2 .

It is a super-2 number, since 2×26790436² = 1435454922140192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26790395 and 26790404.

It is not an unprimeable number, because it can be changed into a prime (26790431) 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, 196921 + ... + 197056.

It is an arithmetic number, because the mean of its divisors is an integer number (4136769).

Almost surely, 2^26790436 is an apocalyptic number.

It is an amenable number.

26790436 is a deficient number, since it is larger than the sum of its proper divisors (22850792).

26790436 is a wasteful number, since it uses less digits than its factorization.

26790436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393998 (or 393996 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 26790436 is about 5175.9478359041. The cubic root of 26790436 is about 299.2218202365.

The spelling of 26790436 in words is "twenty-six million, seven hundred ninety thousand, four hundred thirty-six".