3689487810 has 96 divisors (see below), whose sum is σ = 9717072768. Its totient is φ = 971170560.

The previous prime is 3689487803. The next prime is 3689487833. The reversal of 3689487810 is 187849863.

3689487810 is a `hidden beast` number, since 3 + 6 + 89 + 487 + 81 + 0 = 666.

It is a super-2 number, since 2×3689487810² = 27224640600277192200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4847830 + ... + 4848590.

It is an arithmetic number, because the mean of its divisors is an integer number (101219508).

Almost surely, 2^3689487810 is an apocalyptic number.

3689487810 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3689487810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4858536384).

3689487810 is an abundant number, since it is smaller than the sum of its proper divisors (6027584958).

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

3689487810 is a wasteful number, since it uses less digits than its factorization.

3689487810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 3689487810 is about 60741.1541707926. The cubic root of 3689487810 is about 1545.2142097813.

The spelling of 3689487810 in words is "three billion, six hundred eighty-nine million, four hundred eighty-seven thousand, eight hundred ten".