3649384692 has 36 divisors (see below), whose sum is σ = 9566496576. Its totient is φ = 1216461240.

The previous prime is 3649384691. The next prime is 3649384721. The reversal of 3649384692 is 2964839463.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649384691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1876284 + ... + 1878227.

It is an arithmetic number, because the mean of its divisors is an integer number (265736016).

Almost surely, 2^3649384692 is an apocalyptic number.

It is an amenable number.

3649384692 is an abundant number, since it is smaller than the sum of its proper divisors (5917111884).

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

3649384692 is a wasteful number, since it uses less digits than its factorization.

3649384692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3754530 (or 3754516 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The square root of 3649384692 is about 60410.1373281008. The cubic root of 3649384692 is about 1539.5952008521.

The spelling of 3649384692 in words is "three billion, six hundred forty-nine million, three hundred eighty-four thousand, six hundred ninety-two".