1946544492 has 12 divisors (see below), whose sum is σ = 4541937176. Its totient is φ = 648848160.

The previous prime is 1946544403. The next prime is 1946544499. The reversal of 1946544492 is 2944456491.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1946544499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81106009 + ... + 81106032.

Almost surely, 2^1946544492 is an apocalyptic number.

1946544492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1946544492 is an abundant number, since it is smaller than the sum of its proper divisors (2595392684).

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

1946544492 is a wasteful number, since it uses less digits than its factorization.

1946544492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162212048 (or 162212046 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 1946544492 is about 44119.6610594415. The cubic root of 1946544492 is about 1248.5945787184.

The spelling of 1946544492 in words is "one billion, nine hundred forty-six million, five hundred forty-four thousand, four hundred ninety-two".