397791214 has 8 divisors (see below), whose sum is σ = 600487848. Its totient is φ = 197628600.

The previous prime is 397791193. The next prime is 397791217. The reversal of 397791214 is 412197793.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397791217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633112 + ... + 633739.

It is an arithmetic number, because the mean of its divisors is an integer number (75060981).

Almost surely, 2^397791214 is an apocalyptic number.

397791214 is a deficient number, since it is larger than the sum of its proper divisors (202696634).

397791214 is a wasteful number, since it uses less digits than its factorization.

397791214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267010.

The product of its digits is 95256, while the sum is 43.

The square root of 397791214 is about 19944.7039085568. The cubic root of 397791214 is about 735.4475895344.

The spelling of 397791214 in words is "three hundred ninety-seven million, seven hundred ninety-one thousand, two hundred fourteen".