846640734 has 64 divisors (see below), whose sum is σ = 1794465792. Its totient is φ = 265939200.

The previous prime is 846640733. The next prime is 846640763. The reversal of 846640734 is 437046648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846640733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1738239 + ... + 1738725.

It is an arithmetic number, because the mean of its divisors is an integer number (28038528).

Almost surely, 2^846640734 is an apocalyptic number.

846640734 is an abundant number, since it is smaller than the sum of its proper divisors (947825058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

846640734 is a wasteful number, since it uses less digits than its factorization.

846640734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761.

The product of its (nonzero) digits is 387072, while the sum is 42.

The square root of 846640734 is about 29097.0915041349. The cubic root of 846640734 is about 946.0186971023.

The spelling of 846640734 in words is "eight hundred forty-six million, six hundred forty thousand, seven hundred thirty-four".