6417955 has 4 divisors (see below), whose sum is σ = 7701552. Its totient is φ = 5134360.

The previous prime is 6417947. The next prime is 6418031. The reversal of 6417955 is 5597146.

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

It is not a de Polignac number, because 6417955 - 2³ = 6417947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641791 + ... + 641800.

It is an arithmetic number, because the mean of its divisors is an integer number (1925388).

Almost surely, 2^6417955 is an apocalyptic number.

6417955 is a deficient number, since it is larger than the sum of its proper divisors (1283597).

6417955 is a wasteful number, since it uses less digits than its factorization.

6417955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283596.

The product of its digits is 37800, while the sum is 37.

The square root of 6417955 is about 2533.3683111620. The cubic root of 6417955 is about 185.8370156634.

The spelling of 6417955 in words is "six million, four hundred seventeen thousand, nine hundred fifty-five".