846639245 has 8 divisors (see below), whose sum is σ = 1023723360. Its totient is φ = 672140560.

The previous prime is 846639239. The next prime is 846639251. The reversal of 846639245 is 542936648.

846639245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (846639239) and next prime (846639251).

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

It is not a de Polignac number, because 846639245 - 2⁴ = 846639229 is a prime.

It is a super-2 number, since 2×846639245² = 1433596022348340050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 846639245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645635 + ... + 646944.

It is an arithmetic number, because the mean of its divisors is an integer number (127965420).

Almost surely, 2^846639245 is an apocalyptic number.

It is an amenable number.

846639245 is a deficient number, since it is larger than the sum of its proper divisors (177084115).

846639245 is a wasteful number, since it uses less digits than its factorization.

846639245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292715.

The product of its digits is 1244160, while the sum is 47.

The square root of 846639245 is about 29097.0659173739. The cubic root of 846639245 is about 946.0181425094.

The spelling of 846639245 in words is "eight hundred forty-six million, six hundred thirty-nine thousand, two hundred forty-five".