3686836870 has 16 divisors (see below), whose sum is σ = 6638776848. Its totient is φ = 1474185760.

The previous prime is 3686836861. The next prime is 3686836921. The reversal of 3686836870 is 786386863.

It is a happy number.

It is a super-2 number, since 2×3686836870² = 27185532211982793800, 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 7 ways as a sum of consecutive naturals, for example, 39844 + ... + 94663.

It is an arithmetic number, because the mean of its divisors is an integer number (414923553).

Almost surely, 2^3686836870 is an apocalyptic number.

3686836870 is a deficient number, since it is larger than the sum of its proper divisors (2951939978).

3686836870 is a wasteful number, since it uses less digits than its factorization.

3686836870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137255.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The square root of 3686836870 is about 60719.3286359459. The cubic root of 3686836870 is about 1544.8440363017.

The spelling of 3686836870 in words is "three billion, six hundred eighty-six million, eight hundred thirty-six thousand, eight hundred seventy".