1909846116 has 72 divisors (see below), whose sum is σ = 4900695800. Its totient is φ = 627056640.

The previous prime is 1909846097. The next prime is 1909846117. The reversal of 1909846116 is 6116489091.

1909846116 is a `hidden beast` number, since 1 + 90 + 98 + 461 + 16 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 38937600 + 1870908516 = 6240^2 + 43254^2 .

It is not an unprimeable number, because it can be changed into a prime (1909846117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 708900 + ... + 711588.

Almost surely, 2^1909846116 is an apocalyptic number.

It is an amenable number.

1909846116 is an abundant number, since it is smaller than the sum of its proper divisors (2990849684).

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

1909846116 is a wasteful number, since it uses less digits than its factorization.

1909846116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989 (or 2984 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 1909846116 is about 43701.7861877521. The cubic root of 1909846116 is about 1240.6981231836.

The spelling of 1909846116 in words is "one billion, nine hundred nine million, eight hundred forty-six thousand, one hundred sixteen".