2381672860 has 48 divisors (see below), whose sum is σ = 5739814080. Its totient is φ = 813173760.

The previous prime is 2381672833. The next prime is 2381672873. The reversal of 2381672860 is 682761832.

It is a super-2 number, since 2×2381672860² = 11344731224121159200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1555 + ... + 69034.

It is an arithmetic number, because the mean of its divisors is an integer number (119579460).

Almost surely, 2^2381672860 is an apocalyptic number.

2381672860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2381672860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2869907040).

2381672860 is an abundant number, since it is smaller than the sum of its proper divisors (3358141220).

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

2381672860 is a wasteful number, since it uses less digits than its factorization.

2381672860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70846 (or 70844 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 2381672860 is about 48802.3858023355. The cubic root of 2381672860 is about 1335.4491907234.

The spelling of 2381672860 in words is "two billion, three hundred eighty-one million, six hundred seventy-two thousand, eight hundred sixty".