6211397000 has 32 divisors (see below), whose sum is σ = 14534671320. Its totient is φ = 2484558400.

The previous prime is 6211396993. The next prime is 6211397009. The reversal of 6211397000 is 7931126.

It can be written as a sum of positive squares in 4 ways, for example, as 1344102244 + 4867294756 = 36662^2 + 69766^2 .

It is not an unprimeable number, because it can be changed into a prime (6211397009) 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, 3104699 + ... + 3106698.

Almost surely, 2^6211397000 is an apocalyptic number.

It is an amenable number.

6211397000 is an abundant number, since it is smaller than the sum of its proper divisors (8323274320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6211397000 is a wasteful number, since it uses less digits than its factorization.

6211397000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211418 (or 6211404 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 6211397000 is about 78812.4165344522. The cubic root of 6211397000 is about 1838.2155233965.

The spelling of 6211397000 in words is "six billion, two hundred eleven million, three hundred ninety-seven thousand".