1941669684 has 48 divisors (see below), whose sum is σ = 5036337600. Its totient is φ = 646917408.

The previous prime is 1941669659. The next prime is 1941669689. The reversal of 1941669684 is 4869661491.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1941669684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941669689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428559 + ... + 433065.

It is an arithmetic number, because the mean of its divisors is an integer number (104923700).

Almost surely, 2^1941669684 is an apocalyptic number.

It is an amenable number.

1941669684 is an abundant number, since it is smaller than the sum of its proper divisors (3094667916).

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

1941669684 is a wasteful number, since it uses less digits than its factorization.

1941669684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8509 (or 8501 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 1941669684 is about 44064.3811258027. The cubic root of 1941669684 is about 1247.5514058948.

It can be divided in two parts, 194 and 1669684, that added together give a triangular number (1669878 = T₁₈₂₇).

The spelling of 1941669684 in words is "one billion, nine hundred forty-one million, six hundred sixty-nine thousand, six hundred eighty-four".