6406970 has 16 divisors (see below), whose sum is σ = 11930760. Its totient is φ = 2474304.

The previous prime is 6406951. The next prime is 6406973. The reversal of 6406970 is 796046.

It can be written as a sum of positive squares in 4 ways, for example, as 6135529 + 271441 = 2477^2 + 521^2 .

It is not an unprimeable number, because it can be changed into a prime (6406973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10757 + ... + 11336.

Almost surely, 2^6406970 is an apocalyptic number.

6406970 is a deficient number, since it is larger than the sum of its proper divisors (5523790).

6406970 is a wasteful number, since it uses less digits than its factorization.

6406970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22129.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 6406970 is about 2531.1993204803. The cubic root of 6406970 is about 185.7309286296.

The spelling of 6406970 in words is "six million, four hundred six thousand, nine hundred seventy".