2185674000 has 160 divisors (see below), whose sum is σ = 7153101696. Its totient is φ = 574041600.

The previous prime is 2185673957. The next prime is 2185674013. The reversal of 2185674000 is 4765812.

2185674000 = T₅₈₅₁ + T₅₈₅₂ + ... + T₅₉₇₅.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399282 + ... + 404718.

Almost surely, 2^2185674000 is an apocalyptic number.

2185674000 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 2185674000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3576550848).

2185674000 is an abundant number, since it is smaller than the sum of its proper divisors (4967427696).

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

2185674000 is a wasteful number, since it uses less digits than its factorization.

2185674000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530 (or 5514 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2185674000 is about 46751.1924981599. The cubic root of 2185674000 is about 1297.7622251330.

The spelling of 2185674000 in words is "two billion, one hundred eighty-five million, six hundred seventy-four thousand".