26396420 has 12 divisors (see below), whose sum is σ = 55432524. Its totient is φ = 10558560.

The previous prime is 26396413. The next prime is 26396431. The reversal of 26396420 is 2469362.

It can be written as a sum of positive squares in 2 ways, for example, as 18113536 + 8282884 = 4256^2 + 2878^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659891 + ... + 659930.

It is an arithmetic number, because the mean of its divisors is an integer number (4619377).

Almost surely, 2^26396420 is an apocalyptic number.

26396420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26396420 is an abundant number, since it is smaller than the sum of its proper divisors (29036104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26396420 is a wasteful number, since it uses less digits than its factorization.

26396420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319830 (or 1319828 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 26396420 is about 5137.7446413772. The cubic root of 26396420 is about 297.7476505786.

The spelling of 26396420 in words is "twenty-six million, three hundred ninety-six thousand, four hundred twenty".