26857464 has 32 divisors (see below), whose sum is σ = 67597440. Its totient is φ = 8892000.

The previous prime is 26857463. The next prime is 26857483. The reversal of 26857464 is 46475862.

It is a super-2 number, since 2×26857464² = 1442646745022592, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26857463) 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, 82 + ... + 7329.

It is an arithmetic number, because the mean of its divisors is an integer number (2112420).

Almost surely, 2^26857464 is an apocalyptic number.

26857464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26857464 is an abundant number, since it is smaller than the sum of its proper divisors (40739976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26857464 is a wasteful number, since it uses less digits than its factorization.

26857464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7571 (or 7567 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 26857464 is about 5182.4187403181. The cubic root of 26857464 is about 299.4711571876.

The spelling of 26857464 in words is "twenty-six million, eight hundred fifty-seven thousand, four hundred sixty-four".