6370906 has 4 divisors (see below), whose sum is σ = 9556362. Its totient is φ = 3185452.

The previous prime is 6370891. The next prime is 6370913. The reversal of 6370906 is 6090736.

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

It can be written as a sum of positive squares in only one way, i.e., 4165681 + 2205225 = 2041^2 + 1485^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1592725 + ... + 1592728.

Almost surely, 2^6370906 is an apocalyptic number.

6370906 is a deficient number, since it is larger than the sum of its proper divisors (3185456).

6370906 is a wasteful number, since it uses less digits than its factorization.

6370906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185455.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 6370906 is about 2524.0653715782. The cubic root of 6370906 is about 185.3817876459.

The spelling of 6370906 in words is "six million, three hundred seventy thousand, nine hundred six".