384706090 has 16 divisors (see below), whose sum is σ = 733204872. Its totient is φ = 144830464.

The previous prime is 384706081. The next prime is 384706093. The reversal of 384706090 is 90607483.

It can be written as a sum of positive squares in 4 ways, for example, as 383493889 + 1212201 = 19583^2 + 1101^2 .

It is not an unprimeable number, because it can be changed into a prime (384706093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131319 + ... + 1131658.

Almost surely, 2^384706090 is an apocalyptic number.

384706090 is a deficient number, since it is larger than the sum of its proper divisors (348498782).

384706090 is a wasteful number, since it uses less digits than its factorization.

384706090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263001.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 384706090 is about 19613.9259201211. The cubic root of 384706090 is about 727.2934680591.

The spelling of 384706090 in words is "three hundred eighty-four million, seven hundred six thousand, ninety".