26427428 has 12 divisors (see below), whose sum is σ = 46407900. Its totient is φ = 13168032.

The previous prime is 26427419. The next prime is 26427451. The reversal of 26427428 is 82472462.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25725184 + 702244 = 5072^2 + 838^2 .

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, 10103 + ... + 12446.

It is an arithmetic number, because the mean of its divisors is an integer number (3867325).

Almost surely, 2^26427428 is an apocalyptic number.

It is an amenable number.

26427428 is a deficient number, since it is larger than the sum of its proper divisors (19980472).

26427428 is a wasteful number, since it uses less digits than its factorization.

26427428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22846 (or 22844 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The square root of 26427428 is about 5140.7614222020. The cubic root of 26427428 is about 297.8641934826.

The spelling of 26427428 in words is "twenty-six million, four hundred twenty-seven thousand, four hundred twenty-eight".