306706403397 has 16 divisors (see below), whose sum is σ = 433045559232. Its totient is φ = 192421774080.

The previous prime is 306706403387. The next prime is 306706403411. The reversal of 306706403397 is 793304607603.

It is not a de Polignac number, because 306706403397 - 2²⁷ = 306572185669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306706403387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132883 + ... + 794399.

It is an arithmetic number, because the mean of its divisors is an integer number (27065347452).

Almost surely, 2^306706403397 is an apocalyptic number.

It is an amenable number.

306706403397 is a deficient number, since it is larger than the sum of its proper divisors (126339155835).

306706403397 is a wasteful number, since it uses less digits than its factorization.

306706403397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670628.

The product of its (nonzero) digits is 1714608, while the sum is 48.

The spelling of 306706403397 in words is "three hundred six billion, seven hundred six million, four hundred three thousand, three hundred ninety-seven".