397893462 has 8 divisors (see below), whose sum is σ = 795786936. Its totient is φ = 132631152.

The previous prime is 397893389. The next prime is 397893469. The reversal of 397893462 is 264398793.

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

397893462 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397893469) 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, 33157783 + ... + 33157794.

It is an arithmetic number, because the mean of its divisors is an integer number (99473367).

Almost surely, 2^397893462 is an apocalyptic number.

397893462 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.

397893462 is a wasteful number, since it uses less digits than its factorization.

397893462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66315582.

The product of its digits is 1959552, while the sum is 51.

The square root of 397893462 is about 19947.2670308491. The cubic root of 397893462 is about 735.5105971293.

The spelling of 397893462 in words is "three hundred ninety-seven million, eight hundred ninety-three thousand, four hundred sixty-two".