2047686844 has 24 divisors (see below), whose sum is σ = 4103543808. Its totient is φ = 875829360.

The previous prime is 2047686841. The next prime is 2047686859. The reversal of 2047686844 is 4486867402.

It is a happy number.

It is a super-2 number, since 2×2047686844² = 8386042822181360672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047686841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58612 + ... + 86779.

It is an arithmetic number, because the mean of its divisors is an integer number (170980992).

Almost surely, 2^2047686844 is an apocalyptic number.

It is an amenable number.

2047686844 is an abundant number, since it is smaller than the sum of its proper divisors (2055856964).

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

2047686844 is a wasteful number, since it uses less digits than its factorization.

2047686844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145905 (or 145903 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 49.

The square root of 2047686844 is about 45251.3739459920. The cubic root of 2047686844 is about 1269.8561111705.

The spelling of 2047686844 in words is "two billion, forty-seven million, six hundred eighty-six thousand, eight hundred forty-four".