397478514 has 8 divisors (see below), whose sum is σ = 794957040. Its totient is φ = 132492836.

The previous prime is 397478491. The next prime is 397478527. The reversal of 397478514 is 415874793.

It is a happy number.

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

397478514 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33123204 + ... + 33123215.

It is an arithmetic number, because the mean of its divisors is an integer number (99369630).

Almost surely, 2^397478514 is an apocalyptic number.

397478514 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.

397478514 is a wasteful number, since it uses less digits than its factorization.

397478514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66246424.

The product of its digits is 846720, while the sum is 48.

The square root of 397478514 is about 19936.8631935919. The cubic root of 397478514 is about 735.2548294970.

The spelling of 397478514 in words is "three hundred ninety-seven million, four hundred seventy-eight thousand, five hundred fourteen".