6397950 has 96 divisors (see below), whose sum is σ = 18186336. Its totient is φ = 1474560.

The previous prime is 6397949. The next prime is 6397957. The reversal of 6397950 is 597936.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 6397899 and 6397908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397957) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33054 + ... + 33246.

It is an arithmetic number, because the mean of its divisors is an integer number (189441).

Almost surely, 2^6397950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6397950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9093168).

6397950 is an abundant number, since it is smaller than the sum of its proper divisors (11788386).

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

6397950 is a wasteful number, since it uses less digits than its factorization.

6397950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 6397950 is about 2529.4169288593. The cubic root of 6397950 is about 185.6437277753.

The spelling of 6397950 in words is "six million, three hundred ninety-seven thousand, nine hundred fifty".