3430728912 has 40 divisors (see below), whose sum is σ = 9544465504. Its totient is φ = 1055608704.

The previous prime is 3430728907. The next prime is 3430728923. The reversal of 3430728912 is 2198270343.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2748358 + ... + 2749605.

Almost surely, 2^3430728912 is an apocalyptic number.

It is an amenable number.

3430728912 is an abundant number, since it is smaller than the sum of its proper divisors (6113736592).

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

3430728912 is a wasteful number, since it uses less digits than its factorization.

3430728912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497987 (or 5497981 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 3430728912 is about 58572.4245016373. The cubic root of 3430728912 is about 1508.2111049318.

The spelling of 3430728912 in words is "three billion, four hundred thirty million, seven hundred twenty-eight thousand, nine hundred twelve".