397103039 has 4 divisors (see below), whose sum is σ = 397193280. Its totient is φ = 397012800.

The previous prime is 397103033. The next prime is 397103089. The reversal of 397103039 is 930301793.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 397103039 - 2¹⁶ = 397037503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397103033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38162 + ... + 47439.

It is an arithmetic number, because the mean of its divisors is an integer number (99298320).

Almost surely, 2^397103039 is an apocalyptic number.

397103039 is a deficient number, since it is larger than the sum of its proper divisors (90241).

397103039 is an equidigital number, since it uses as much as digits as its factorization.

397103039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90240.

The product of its (nonzero) digits is 15309, while the sum is 35.

The square root of 397103039 is about 19927.4443670030. Note that the first 3 decimals coincide. The cubic root of 397103039 is about 735.0232389647.

The spelling of 397103039 in words is "three hundred ninety-seven million, one hundred three thousand, thirty-nine".