611966397 has 8 divisors (see below), whose sum is σ = 932520256. Its totient is φ = 349695072.

The previous prime is 611966389. The next prime is 611966401. The reversal of 611966397 is 793669116.

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

It is not a de Polignac number, because 611966397 - 2³ = 611966389 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 (611961397) 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, 14570608 + ... + 14570649.

It is an arithmetic number, because the mean of its divisors is an integer number (116565032).

Almost surely, 2^611966397 is an apocalyptic number.

It is an amenable number.

611966397 is a deficient number, since it is larger than the sum of its proper divisors (320553859).

611966397 is a wasteful number, since it uses less digits than its factorization.

611966397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29141267.

The product of its digits is 367416, while the sum is 48.

The square root of 611966397 is about 24737.9545839991. The cubic root of 611966397 is about 849.0029356129.

The spelling of 611966397 in words is "six hundred eleven million, nine hundred sixty-six thousand, three hundred ninety-seven".