3649362804 has 72 divisors (see below), whose sum is σ = 9653454720. Its totient is φ = 1160229312.

The previous prime is 3649362803. The next prime is 3649362833. The reversal of 3649362804 is 4082639463.

3649362804 is a `hidden beast` number, since 364 + 9 + 3 + 6 + 280 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3649362804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649362803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291114 + ... + 303390.

It is an arithmetic number, because the mean of its divisors is an integer number (134075760).

Almost surely, 2^3649362804 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 3649362804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4826727360).

3649362804 is an abundant number, since it is smaller than the sum of its proper divisors (6004091916).

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

3649362804 is a wasteful number, since it uses less digits than its factorization.

3649362804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12669 (or 12664 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 3649362804 is about 60409.9561661817. The cubic root of 3649362804 is about 1539.5921228239.

The spelling of 3649362804 in words is "three billion, six hundred forty-nine million, three hundred sixty-two thousand, eight hundred four".