26728948 has 24 divisors (see below), whose sum is σ = 48276872. Its totient is φ = 12939264.

The previous prime is 26728937. The next prime is 26728957. The reversal of 26728948 is 84982762.

It can be written as a sum of positive squares in 4 ways, for example, as 8988004 + 17740944 = 2998^2 + 4212^2 .

It is a super-2 number, since 2×26728948² = 1428873322373408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26728898 and 26728907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46036 + ... + 46612.

Almost surely, 2^26728948 is an apocalyptic number.

It is an amenable number.

26728948 is a deficient number, since it is larger than the sum of its proper divisors (21547924).

26728948 is a wasteful number, since it uses less digits than its factorization.

26728948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 929 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 26728948 is about 5170.0046421643. The cubic root of 26728948 is about 298.9927254823.

The spelling of 26728948 in words is "twenty-six million, seven hundred twenty-eight thousand, nine hundred forty-eight".