2009837852 has 24 divisors (see below), whose sum is σ = 4062668400. Its totient is φ = 859823360.

The previous prime is 2009837833. The next prime is 2009837887. The reversal of 2009837852 is 2587389002.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 1342727 + ... + 1344222.

It is an arithmetic number, because the mean of its divisors is an integer number (169277850).

Almost surely, 2^2009837852 is an apocalyptic number.

2009837852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2009837852 is an abundant number, since it is smaller than the sum of its proper divisors (2052830548).

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

2009837852 is a wasteful number, since it uses less digits than its factorization.

2009837852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686981 (or 2686979 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 2009837852 is about 44831.2151519452. The cubic root of 2009837852 is about 1261.9834913867.

The spelling of 2009837852 in words is "two billion, nine million, eight hundred thirty-seven thousand, eight hundred fifty-two".