1949806328 has 16 divisors (see below), whose sum is σ = 3657636000. Its totient is φ = 974436736.

The previous prime is 1949806273. The next prime is 1949806333. The reversal of 1949806328 is 8236089491.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40208 + ... + 74271.

It is an arithmetic number, because the mean of its divisors is an integer number (228602250).

Almost surely, 2^1949806328 is an apocalyptic number.

It is an amenable number.

1949806328 is a deficient number, since it is larger than the sum of its proper divisors (1707829672).

1949806328 is a wasteful number, since it uses less digits than its factorization.

1949806328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116614 (or 116610 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 1949806328 is about 44156.6113736097. The cubic root of 1949806328 is about 1249.2916152687.

The spelling of 1949806328 in words is "one billion, nine hundred forty-nine million, eight hundred six thousand, three hundred twenty-eight".