26928542 has 4 divisors (see below), whose sum is σ = 40392816. Its totient is φ = 13464270.

The previous prime is 26928541. The next prime is 26928571. The reversal of 26928542 is 24582962.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 26928496 and 26928505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26928541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6732134 + ... + 6732137.

It is an arithmetic number, because the mean of its divisors is an integer number (10098204).

Almost surely, 2^26928542 is an apocalyptic number.

26928542 is a deficient number, since it is larger than the sum of its proper divisors (13464274).

26928542 is a wasteful number, since it uses less digits than its factorization.

26928542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13464273.

The product of its digits is 69120, while the sum is 38.

The square root of 26928542 is about 5189.2718178951. The cubic root of 26928542 is about 299.7351069151.

The spelling of 26928542 in words is "twenty-six million, nine hundred twenty-eight thousand, five hundred forty-two".