6428953 has 8 divisors (see below), whose sum is σ = 6620616. Its totient is φ = 6240000.

The previous prime is 6428921. The next prime is 6428957. The reversal of 6428953 is 3598246.

It can be written as a sum of positive squares in 4 ways, for example, as 1106704 + 5322249 = 1052^2 + 2307^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6428953 - 2⁵ = 6428921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6428957) 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, 4753 + ... + 5953.

It is an arithmetic number, because the mean of its divisors is an integer number (827577).

Almost surely, 2^6428953 is an apocalyptic number.

It is an amenable number.

6428953 is a deficient number, since it is larger than the sum of its proper divisors (191663).

6428953 is a wasteful number, since it uses less digits than its factorization.

6428953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355.

The product of its digits is 51840, while the sum is 37.

The square root of 6428953 is about 2535.5380099695. The cubic root of 6428953 is about 185.9431070456.

It can be divided in two parts, 6428 and 953, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 6428953 in words is "six million, four hundred twenty-eight thousand, nine hundred fifty-three".