3699804816 has 80 divisors (see below), whose sum is σ = 10673424000. Its totient is φ = 1227042432.

The previous prime is 3699804803. The next prime is 3699804859. The reversal of 3699804816 is 6184089963.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64450 + ... + 107486.

It is an arithmetic number, because the mean of its divisors is an integer number (133417800).

Almost surely, 2^3699804816 is an apocalyptic number.

3699804816 is a gapful number since it is divisible by the number (36) 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 3699804816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5336712000).

3699804816 is an abundant number, since it is smaller than the sum of its proper divisors (6973619184).

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

3699804816 is a wasteful number, since it uses less digits than its factorization.

3699804816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43253 (or 43241 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 3699804816 is about 60826.0208792257. The cubic root of 3699804816 is about 1546.6531762431.

The spelling of 3699804816 in words is "three billion, six hundred ninety-nine million, eight hundred four thousand, eight hundred sixteen".