26281628 has 6 divisors (see below), whose sum is σ = 45992856. Its totient is φ = 13140812.

The previous prime is 26281603. The next prime is 26281639. The reversal of 26281628 is 82618262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3285200 + ... + 3285207.

It is an arithmetic number, because the mean of its divisors is an integer number (7665476).

Almost surely, 2^26281628 is an apocalyptic number.

It is an amenable number.

26281628 is a deficient number, since it is larger than the sum of its proper divisors (19711228).

26281628 is a wasteful number, since it uses less digits than its factorization.

26281628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570411 (or 6570409 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 26281628 is about 5126.5610305545. The cubic root of 26281628 is about 297.3154112323.

The spelling of 26281628 in words is "twenty-six million, two hundred eighty-one thousand, six hundred twenty-eight".