6420941 has 4 divisors (see below), whose sum is σ = 6451584. Its totient is φ = 6390300.

The previous prime is 6420913. The next prime is 6420959. The reversal of 6420941 is 1490246.

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 a cyclic number.

It is not a de Polignac number, because 6420941 - 2⁶ = 6420877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6420941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6420901) 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, 15005 + ... + 15426.

It is an arithmetic number, because the mean of its divisors is an integer number (1612896).

Almost surely, 2^6420941 is an apocalyptic number.

It is an amenable number.

6420941 is a deficient number, since it is larger than the sum of its proper divisors (30643).

6420941 is a wasteful number, since it uses less digits than its factorization.

6420941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30642.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 6420941 is about 2533.9575765983. The cubic root of 6420941 is about 185.8658318670.

The spelling of 6420941 in words is "six million, four hundred twenty thousand, nine hundred forty-one".