397948602 has 16 divisors (see below), whose sum is σ = 797801760. Its totient is φ = 132332112.

The previous prime is 397948561. The next prime is 397948609. The reversal of 397948602 is 206849793.

It is not an unprimeable number, because it can be changed into a prime (397948609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76633 + ... + 81660.

It is an arithmetic number, because the mean of its divisors is an integer number (49862610).

Almost surely, 2^397948602 is an apocalyptic number.

397948602 is an abundant number, since it is smaller than the sum of its proper divisors (399853158).

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

397948602 is a wasteful number, since it uses less digits than its factorization.

397948602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158717.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 397948602 is about 19948.6491271966. The cubic root of 397948602 is about 735.5445711994.

The spelling of 397948602 in words is "three hundred ninety-seven million, nine hundred forty-eight thousand, six hundred two".