3689810172 has 96 divisors (see below), whose sum is σ = 9735040000. Its totient is φ = 1223495280.

The previous prime is 3689810143. The next prime is 3689810191. The reversal of 3689810172 is 2710189863.

It is a super-2 number, since 2×3689810172² = 27229398210789339168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1844829 + ... + 1846827.

Almost surely, 2^3689810172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3689810172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4867520000).

3689810172 is an abundant number, since it is smaller than the sum of its proper divisors (6045229828).

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

3689810172 is a wasteful number, since it uses less digits than its factorization.

3689810172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235 (or 2215 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 3689810172 is about 60743.8076844052. The cubic root of 3689810172 is about 1545.2592118576.

The spelling of 3689810172 in words is "three billion, six hundred eighty-nine million, eight hundred ten thousand, one hundred seventy-two".