6390057 has 8 divisors (see below), whose sum is σ = 8574976. Its totient is φ = 4232592.

The previous prime is 6390053. The next prime is 6390107. The reversal of 6390057 is 7500936.

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

It is not a de Polignac number, because 6390057 - 2² = 6390053 is a prime.

It is an Ulam number.

It is a Duffinian number.

6390057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6390053) 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, 6313 + ... + 7254.

It is an arithmetic number, because the mean of its divisors is an integer number (1071872).

Almost surely, 2^6390057 is an apocalyptic number.

It is an amenable number.

6390057 is a deficient number, since it is larger than the sum of its proper divisors (2184919).

6390057 is a wasteful number, since it uses less digits than its factorization.

6390057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13727.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 6390057 is about 2527.8562063535. The cubic root of 6390057 is about 185.5673549309.

The spelling of 6390057 in words is "six million, three hundred ninety thousand, fifty-seven".