397668414 has 32 divisors (see below), whose sum is σ = 934383744. Its totient is φ = 111235680.

The previous prime is 397668407. The next prime is 397668419. The reversal of 397668414 is 414866793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397668419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230884 + ... + 232599.

It is an arithmetic number, because the mean of its divisors is an integer number (29199492).

Almost surely, 2^397668414 is an apocalyptic number.

397668414 is an abundant number, since it is smaller than the sum of its proper divisors (536715330).

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

397668414 is a wasteful number, since it uses less digits than its factorization.

397668414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463512.

The product of its digits is 870912, while the sum is 48.

The square root of 397668414 is about 19941.6251594498. The cubic root of 397668414 is about 735.3719030471.

It can be divided in two parts, 3976 and 68414, that added together give a triangular number (72390 = T₃₈₀).

The spelling of 397668414 in words is "three hundred ninety-seven million, six hundred sixty-eight thousand, four hundred fourteen".