6457938 has 8 divisors (see below), whose sum is σ = 12915888. Its totient is φ = 2152644.

The previous prime is 6457933. The next prime is 6457939. The reversal of 6457938 is 8397546.

It is a happy number.

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

6457938 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 6457938.

It is not an unprimeable number, because it can be changed into a prime (6457933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538156 + ... + 538167.

It is an arithmetic number, because the mean of its divisors is an integer number (1614486).

Almost surely, 2^6457938 is an apocalyptic number.

6457938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6457938 is a wasteful number, since it uses less digits than its factorization.

6457938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076328.

The product of its digits is 181440, while the sum is 42.

The square root of 6457938 is about 2541.2473315284. The cubic root of 6457938 is about 186.2221302683. Note that the first 3 decimals are identical.

The spelling of 6457938 in words is "six million, four hundred fifty-seven thousand, nine hundred thirty-eight".