397219082 has 16 divisors (see below), whose sum is σ = 643168512. Its totient is φ = 182901360.

The previous prime is 397219057. The next prime is 397219091. The reversal of 397219082 is 280912793.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6518 + ... + 28929.

It is an arithmetic number, because the mean of its divisors is an integer number (40198032).

Almost surely, 2^397219082 is an apocalyptic number.

397219082 is a deficient number, since it is larger than the sum of its proper divisors (245949430).

397219082 is a wasteful number, since it uses less digits than its factorization.

397219082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35893.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 397219082 is about 19930.3557921077. The cubic root of 397219082 is about 735.0948291117.

The spelling of 397219082 in words is "three hundred ninety-seven million, two hundred nineteen thousand, eighty-two".