397701001 has 8 divisors (see below), whose sum is σ = 399823424. Its totient is φ = 395584560.

The previous prime is 397700987. The next prime is 397701013. The reversal of 397701001 is 100107793.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 397701001 - 2⁵ = 397700969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397701061) 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, 192691 + ... + 194743.

It is an arithmetic number, because the mean of its divisors is an integer number (49977928).

Almost surely, 2^397701001 is an apocalyptic number.

It is an amenable number.

397701001 is a deficient number, since it is larger than the sum of its proper divisors (2122423).

397701001 is a wasteful number, since it uses less digits than its factorization.

397701001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 397701001 is about 19942.4422024987. The cubic root of 397701001 is about 735.3919892201.

Adding to 397701001 its reverse (100107793), we get a palindrome (497808794).

The spelling of 397701001 in words is "three hundred ninety-seven million, seven hundred one thousand, one".