846840664 has 16 divisors (see below), whose sum is σ = 1589767920. Its totient is φ = 422902560.

The previous prime is 846840653. The next prime is 846840679. The reversal of 846840664 is 466048648.

846840664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×846840664² = 1434278220407921792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57727 + ... + 70894.

It is an arithmetic number, because the mean of its divisors is an integer number (99360495).

Almost surely, 2^846840664 is an apocalyptic number.

It is an amenable number.

846840664 is a deficient number, since it is larger than the sum of its proper divisors (742927256).

846840664 is a wasteful number, since it uses less digits than its factorization.

846840664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129450 (or 129446 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 46.

The square root of 846840664 is about 29100.5268680826. The cubic root of 846840664 is about 946.0931571121.

The spelling of 846840664 in words is "eight hundred forty-six million, eight hundred forty thousand, six hundred sixty-four".