6398000156 has 12 divisors (see below), whose sum is σ = 11197200168. Its totient is φ = 3198800112.

The previous prime is 6398000149. The next prime is 6398000159. The reversal of 6398000156 is 6510008936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6398000159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39995 + ... + 119981.

It is an arithmetic number, because the mean of its divisors is an integer number (933100014).

Almost surely, 2^6398000156 is an apocalyptic number.

It is a pronic number, being equal to 79987×79988.

It is an amenable number.

6398000156 is a deficient number, since it is larger than the sum of its proper divisors (4799200012).

6398000156 is a wasteful number, since it uses less digits than its factorization.

6398000156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99988 (or 99986 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 6398000156 is about 79987.4999984373. The cubic root of 6398000156 is about 1856.4421288494.

The spelling of 6398000156 in words is "six billion, three hundred ninety-eight million, one hundred fifty-six", and thus it is an aban number.