397766073 has 8 divisors (see below), whose sum is σ = 530587936. Its totient is φ = 265060800.

The previous prime is 397766063. The next prime is 397766077. The reversal of 397766073 is 370667793.

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

It is not a de Polignac number, because 397766073 - 2⁵ = 397766041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397766077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20848 + ... + 35073.

It is an arithmetic number, because the mean of its divisors is an integer number (66323492).

Almost surely, 2^397766073 is an apocalyptic number.

It is an amenable number.

397766073 is a deficient number, since it is larger than the sum of its proper divisors (132821863).

397766073 is a wasteful number, since it uses less digits than its factorization.

397766073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58295.

The product of its (nonzero) digits is 1000188, while the sum is 48.

The square root of 397766073 is about 19944.0736310313. The cubic root of 397766073 is about 735.4320954119.

The spelling of 397766073 in words is "three hundred ninety-seven million, seven hundred sixty-six thousand, seventy-three".