6457238 has 8 divisors (see below), whose sum is σ = 9998400. Its totient is φ = 3124440.

The previous prime is 6457183. The next prime is 6457247. The reversal of 6457238 is 8327546.

It is a happy number.

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

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 6457198 and 6457207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52013 + ... + 52136.

It is an arithmetic number, because the mean of its divisors is an integer number (1249800).

Almost surely, 2^6457238 is an apocalyptic number.

6457238 is a deficient number, since it is larger than the sum of its proper divisors (3541162).

6457238 is a wasteful number, since it uses less digits than its factorization.

6457238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104182.

The product of its digits is 40320, while the sum is 35.

The square root of 6457238 is about 2541.1096001550. The cubic root of 6457238 is about 186.2154015879.

The spelling of 6457238 in words is "six million, four hundred fifty-seven thousand, two hundred thirty-eight".