180390006 has 24 divisors (see below), whose sum is σ = 395240040. Its totient is φ = 59453856.

The previous prime is 180389983. The next prime is 180390053. The reversal of 180390006 is 600093081.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54700 + ... + 57903.

It is an arithmetic number, because the mean of its divisors is an integer number (16468335).

Almost surely, 2^180390006 is an apocalyptic number.

180390006 is an abundant number, since it is smaller than the sum of its proper divisors (214850034).

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

180390006 is a wasteful number, since it uses less digits than its factorization.

180390006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112700 (or 112697 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 180390006 is about 13430.9346659121. The cubic root of 180390006 is about 565.0291117169.

It can be divided in two parts, 1803 and 90006, that added together give a square (91809 = 303²).

The spelling of 180390006 in words is "one hundred eighty million, three hundred ninety thousand, six".