204487342 has 16 divisors (see below), whose sum is σ = 323182080. Its totient is φ = 96846552.

The previous prime is 204487331. The next prime is 204487343. The reversal of 204487342 is 243784402.

It is a junction number, because it is equal to n+sod(n) for n = 204487298 and 204487307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204487343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16842 + ... + 26317.

It is an arithmetic number, because the mean of its divisors is an integer number (20198880).

Almost surely, 2^204487342 is an apocalyptic number.

204487342 is a deficient number, since it is larger than the sum of its proper divisors (118694738).

204487342 is a wasteful number, since it uses less digits than its factorization.

204487342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43287.

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 204487342 is about 14299.9070626351. The cubic root of 204487342 is about 589.1449281754.

The spelling of 204487342 in words is "two hundred four million, four hundred eighty-seven thousand, three hundred forty-two".