26457893 has 24 divisors (see below), whose sum is σ = 33882624. Its totient is φ = 20428800.

The previous prime is 26457887. The next prime is 26457929. The reversal of 26457893 is 39875462.

It is not a de Polignac number, because 26457893 - 2⁴ = 26457877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26457803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102821 + ... + 103077.

It is an arithmetic number, because the mean of its divisors is an integer number (1411776).

Almost surely, 2^26457893 is an apocalyptic number.

It is an amenable number.

26457893 is a deficient number, since it is larger than the sum of its proper divisors (7424731).

26457893 is a wasteful number, since it uses less digits than its factorization.

26457893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 466 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 26457893 is about 5143.7236512083. The cubic root of 26457893 is about 297.9786067852.

Subtracting 26457893 from its reverse (39875462), we obtain a square (13417569 = 3663²).

The spelling of 26457893 in words is "twenty-six million, four hundred fifty-seven thousand, eight hundred ninety-three".