201840004 has 12 divisors (see below), whose sum is σ = 353851344. Its totient is φ = 100739624.

The previous prime is 201839999. The next prime is 201840013. The reversal of 201840004 is 400048102.

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, 42562 + ... + 47065.

It is an arithmetic number, because the mean of its divisors is an integer number (29487612).

Almost surely, 2^201840004 is an apocalyptic number.

It is an amenable number.

201840004 is a deficient number, since it is larger than the sum of its proper divisors (152011340).

201840004 is a wasteful number, since it uses less digits than its factorization.

201840004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90194 (or 90192 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 201840004 is about 14207.0406489177. The cubic root of 201840004 is about 586.5914772498.

Adding to 201840004 its reverse (400048102), we get a palindrome (601888106).

The spelling of 201840004 in words is "two hundred one million, eight hundred forty thousand, four".