26890472 has 64 divisors (see below), whose sum is σ = 61440000. Its totient is φ = 10777536.

The previous prime is 26890463. The next prime is 26890483. The reversal of 26890472 is 27409862.

It is a super-3 number, since 3×26890472³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135029 + ... + 135227.

It is an arithmetic number, because the mean of its divisors is an integer number (960000).

Almost surely, 2^26890472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26890472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30720000).

26890472 is an abundant number, since it is smaller than the sum of its proper divisors (34549528).

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

26890472 is a wasteful number, since it uses less digits than its factorization.

26890472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 26890472 is about 5185.6023758094. The cubic root of 26890472 is about 299.5937909697.

The spelling of 26890472 in words is "twenty-six million, eight hundred ninety thousand, four hundred seventy-two".