397025002 has 8 divisors (see below), whose sum is σ = 649677312. Its totient is φ = 180465900.

The previous prime is 397024981. The next prime is 397025003. The reversal of 397025002 is 200520793.

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

It is not an unprimeable number, because it can be changed into a prime (397025003) 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 3 ways as a sum of consecutive naturals, for example, 9023274 + ... + 9023317.

It is an arithmetic number, because the mean of its divisors is an integer number (81209664).

Almost surely, 2^397025002 is an apocalyptic number.

397025002 is a deficient number, since it is larger than the sum of its proper divisors (252652310).

397025002 is a wasteful number, since it uses less digits than its factorization.

397025002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18046604.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 397025002 is about 19925.4862424986. The cubic root of 397025002 is about 734.9750879304.

Adding to 397025002 its reverse (200520793), we get a palindrome (597545795).

The spelling of 397025002 in words is "three hundred ninety-seven million, twenty-five thousand, two".