26928963 has 8 divisors (see below), whose sum is σ = 39894800. Its totient is φ = 17952624.

The previous prime is 26928943. The next prime is 26928971. The reversal of 26928963 is 36982962.

It is not a de Polignac number, because 26928963 - 2¹⁶ = 26863427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26928943) 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, 498658 + ... + 498711.

It is an arithmetic number, because the mean of its divisors is an integer number (4986850).

Almost surely, 2^26928963 is an apocalyptic number.

26928963 is a deficient number, since it is larger than the sum of its proper divisors (12965837).

26928963 is an equidigital number, since it uses as much as digits as its factorization.

26928963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997378 (or 997372 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 26928963 is about 5189.3123821948. The cubic root of 26928963 is about 299.7366689234.

The spelling of 26928963 in words is "twenty-six million, nine hundred twenty-eight thousand, nine hundred sixty-three".