397130934 has 8 divisors (see below), whose sum is σ = 794261880. Its totient is φ = 132376976.

The previous prime is 397130933. The next prime is 397130941. The reversal of 397130934 is 439031793.

It is a sphenic number, since it is the product of 3 distinct primes.

397130934 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 397130892 and 397130901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397130933) 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, 33094239 + ... + 33094250.

It is an arithmetic number, because the mean of its divisors is an integer number (99282735).

Almost surely, 2^397130934 is an apocalyptic number.

397130934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

397130934 is a wasteful number, since it uses less digits than its factorization.

397130934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66188494.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 397130934 is about 19928.1442688475. The cubic root of 397130934 is about 735.0404494376.

The spelling of 397130934 in words is "three hundred ninety-seven million, one hundred thirty thousand, nine hundred thirty-four".