181942804 has 12 divisors (see below), whose sum is σ = 325804864. Its totient is φ = 88855704.

The previous prime is 181942793. The next prime is 181942853. The reversal of 181942804 is 408249181.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528732 + ... + 529075.

Almost surely, 2^181942804 is an apocalyptic number.

It is an amenable number.

181942804 is a deficient number, since it is larger than the sum of its proper divisors (143862060).

181942804 is a wasteful number, since it uses less digits than its factorization.

181942804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057854 (or 1057852 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 181942804 is about 13488.6175718641. The cubic root of 181942804 is about 566.6457396347.

The spelling of 181942804 in words is "one hundred eighty-one million, nine hundred forty-two thousand, eight hundred four".