6419957 has 4 divisors (see below), whose sum is σ = 6466956. Its totient is φ = 6372960.

The previous prime is 6419953. The next prime is 6419969. The reversal of 6419957 is 7599146.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3129361 + 3290596 = 1769^2 + 1814^2 .

It is a cyclic number.

It is not a de Polignac number, because 6419957 - 2² = 6419953 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 (6419953) 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, 23294 + ... + 23567.

It is an arithmetic number, because the mean of its divisors is an integer number (1616739).

Almost surely, 2^6419957 is an apocalyptic number.

It is an amenable number.

6419957 is a deficient number, since it is larger than the sum of its proper divisors (46999).

6419957 is a wasteful number, since it uses less digits than its factorization.

6419957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46998.

The product of its digits is 68040, while the sum is 41.

The square root of 6419957 is about 2533.7634064766. The cubic root of 6419957 is about 185.8563368245.

The spelling of 6419957 in words is "six million, four hundred nineteen thousand, nine hundred fifty-seven".