397441912 has 64 divisors (see below), whose sum is σ = 918889920. Its totient is φ = 157267968.

The previous prime is 397441879. The next prime is 397441937. The reversal of 397441912 is 219144793.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 46518 + ... + 54394.

It is an arithmetic number, because the mean of its divisors is an integer number (14357655).

Almost surely, 2^397441912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397441912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459444960).

397441912 is an abundant number, since it is smaller than the sum of its proper divisors (521448008).

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

397441912 is a wasteful number, since it uses less digits than its factorization.

397441912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7960 (or 7956 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 397441912 is about 19935.9452246439. The cubic root of 397441912 is about 735.2322600394.

The spelling of 397441912 in words is "three hundred ninety-seven million, four hundred forty-one thousand, nine hundred twelve".