26939028 has 48 divisors (see below), whose sum is σ = 65520000. Its totient is φ = 8604288.

The previous prime is 26938993. The next prime is 26939039. The reversal of 26939028 is 82093962.

It is a super-2 number, since 2×26939028² = 1451422459169568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69058 + ... + 69446.

It is an arithmetic number, because the mean of its divisors is an integer number (1365000).

Almost surely, 2^26939028 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 26939028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32760000).

26939028 is an abundant number, since it is smaller than the sum of its proper divisors (38580972).

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

26939028 is a wasteful number, since it uses less digits than its factorization.

26939028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 26939028 is about 5190.2820732596. The cubic root of 26939028 is about 299.7740075786.

The spelling of 26939028 in words is "twenty-six million, nine hundred thirty-nine thousand, twenty-eight".