6419901 has 4 divisors (see below), whose sum is σ = 8559872. Its totient is φ = 4279932.

The previous prime is 6419899. The next prime is 6419909. The reversal of 6419901 is 1099146.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6419901 - 2¹ = 6419899 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6419909) 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, 1069981 + ... + 1069986.

It is an arithmetic number, because the mean of its divisors is an integer number (2139968).

Almost surely, 2^6419901 is an apocalyptic number.

It is an amenable number.

6419901 is a deficient number, since it is larger than the sum of its proper divisors (2139971).

6419901 is a wasteful number, since it uses less digits than its factorization.

6419901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139970.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 6419901 is about 2533.7523556970. The cubic root of 6419901 is about 185.8557964271.

The spelling of 6419901 in words is "six million, four hundred nineteen thousand, nine hundred one".