671962393 has 16 divisors (see below), whose sum is σ = 705024000. Its totient is φ = 639620800.

The previous prime is 671962381. The next prime is 671962427. The reversal of 671962393 is 393269176.

It is a cyclic number.

It is not a de Polignac number, because 671962393 - 2⁹ = 671961881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671962373) 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, 1121508 + ... + 1122106.

It is an arithmetic number, because the mean of its divisors is an integer number (44064000).

Almost surely, 2^671962393 is an apocalyptic number.

It is an amenable number.

671962393 is a deficient number, since it is larger than the sum of its proper divisors (33061607).

671962393 is a wasteful number, since it uses less digits than its factorization.

671962393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112.

The product of its digits is 367416, while the sum is 46.

The square root of 671962393 is about 25922.2374227226. The cubic root of 671962393 is about 875.8874883299.

The spelling of 671962393 in words is "six hundred seventy-one million, nine hundred sixty-two thousand, three hundred ninety-three".