26428930 has 16 divisors (see below), whose sum is σ = 51897024. Its totient is φ = 9610480.

The previous prime is 26428907. The next prime is 26428939. The reversal of 26428930 is 3982462.

It is not an unprimeable number, because it can be changed into a prime (26428939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120022 + ... + 120241.

It is an arithmetic number, because the mean of its divisors is an integer number (3243564).

Almost surely, 2^26428930 is an apocalyptic number.

26428930 is a deficient number, since it is larger than the sum of its proper divisors (25468094).

26428930 is a wasteful number, since it uses less digits than its factorization.

26428930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240281.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 26428930 is about 5140.9075074348. The cubic root of 26428930 is about 297.8698364021.

The spelling of 26428930 in words is "twenty-six million, four hundred twenty-eight thousand, nine hundred thirty".