1948634892 has 36 divisors (see below), whose sum is σ = 4927625976. Its totient is φ = 649293120.

The previous prime is 1948634881. The next prime is 1948634929. The reversal of 1948634892 is 2984368491.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99408 + ... + 117384.

Almost surely, 2^1948634892 is an apocalyptic number.

1948634892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1948634892 is an abundant number, since it is smaller than the sum of its proper divisors (2978991084).

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

1948634892 is a wasteful number, since it uses less digits than its factorization.

1948634892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20998 (or 20993 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 1948634892 is about 44143.3448211619. The cubic root of 1948634892 is about 1249.0413753122.

The spelling of 1948634892 in words is "one billion, nine hundred forty-eight million, six hundred thirty-four thousand, eight hundred ninety-two".