397735002 has 64 divisors (see below), whose sum is σ = 1029231360. Its totient is φ = 111488832.

The previous prime is 397735001. The next prime is 397735007. The reversal of 397735002 is 200537793.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (397735001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10108 + ... + 29960.

It is an arithmetic number, because the mean of its divisors is an integer number (16081740).

Almost surely, 2^397735002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397735002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514615680).

397735002 is an abundant number, since it is smaller than the sum of its proper divisors (631496358).

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

397735002 is a wasteful number, since it uses less digits than its factorization.

397735002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19924 (or 19918 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 397735002 is about 19943.2946626178. The cubic root of 397735002 is about 735.4129457934.

The spelling of 397735002 in words is "three hundred ninety-seven million, seven hundred thirty-five thousand, two".