180001396 has 12 divisors (see below), whose sum is σ = 319704448. Its totient is φ = 88657272.

The previous prime is 180001391. The next prime is 180001403. The reversal of 180001396 is 693100081.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180001391) 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, 335556 + ... + 336091.

Almost surely, 2^180001396 is an apocalyptic number.

It is an amenable number.

180001396 is a deficient number, since it is larger than the sum of its proper divisors (139703052).

180001396 is a wasteful number, since it uses less digits than its factorization.

180001396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671718 (or 671716 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 180001396 is about 13416.4598907461. The cubic root of 180001396 is about 564.6230769763.

The spelling of 180001396 in words is "one hundred eighty million, one thousand, three hundred ninety-six".