26028993 has 8 divisors (see below), whose sum is σ = 36532000. Its totient is φ = 16439328.

The previous prime is 26028983. The next prime is 26028997. The reversal of 26028993 is 39982062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26028993 - 2²¹ = 23931841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26028997) 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, 228268 + ... + 228381.

It is an arithmetic number, because the mean of its divisors is an integer number (4566500).

Almost surely, 2^26028993 is an apocalyptic number.

It is an amenable number.

26028993 is a deficient number, since it is larger than the sum of its proper divisors (10503007).

26028993 is a wasteful number, since it uses less digits than its factorization.

26028993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456671.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 26028993 is about 5101.8617190198. The cubic root of 26028993 is about 296.3596834329.

The spelling of 26028993 in words is "twenty-six million, twenty-eight thousand, nine hundred ninety-three".