846890849 has 4 divisors (see below), whose sum is σ = 967875264. Its totient is φ = 725906436.

The previous prime is 846890833. The next prime is 846890861. The reversal of 846890849 is 948098648.

846890849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 846890849 - 2⁴ = 846890833 is a prime.

It is a super-2 number, since 2×846890849² = 1434448220239881602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 846890794 and 846890803.

It is not an unprimeable number, because it can be changed into a prime (846890549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60492197 + ... + 60492210.

It is an arithmetic number, because the mean of its divisors is an integer number (241968816).

Almost surely, 2^846890849 is an apocalyptic number.

It is an amenable number.

846890849 is a deficient number, since it is larger than the sum of its proper divisors (120984415).

846890849 is a wasteful number, since it uses less digits than its factorization.

846890849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120984414.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The square root of 846890849 is about 29101.3891249198. The cubic root of 846890849 is about 946.1118456916. Note that the first 3 decimals are identical.

The spelling of 846890849 in words is "eight hundred forty-six million, eight hundred ninety thousand, eight hundred forty-nine".