3649434204 has 48 divisors (see below), whose sum is σ = 9466204160. Its totient is φ = 1086678720.

The previous prime is 3649434193. The next prime is 3649434233. The reversal of 3649434204 is 4024349463.

It is a happy number.

It is a super-2 number, since 2×3649434204² = 26636740018650227232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 372484 + ... + 382155.

Almost surely, 2^3649434204 is an apocalyptic number.

It is an amenable number.

3649434204 is an abundant number, since it is smaller than the sum of its proper divisors (5816769956).

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

3649434204 is a wasteful number, since it uses less digits than its factorization.

3649434204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754690 (or 754688 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 39.

The square root of 3649434204 is about 60410.5471254813. The cubic root of 3649434204 is about 1539.6021634955.

The spelling of 3649434204 in words is "three billion, six hundred forty-nine million, four hundred thirty-four thousand, two hundred four".