204381942 has 16 divisors (see below), whose sum is σ = 411024432. Its totient is φ = 67750560.

The previous prime is 204381941. The next prime is 204381971. The reversal of 204381942 is 249183402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204381941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93013 + ... + 95184.

It is an arithmetic number, because the mean of its divisors is an integer number (25689027).

Almost surely, 2^204381942 is an apocalyptic number.

204381942 is an abundant number, since it is smaller than the sum of its proper divisors (206642490).

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

204381942 is a wasteful number, since it uses less digits than its factorization.

204381942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188383.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 204381942 is about 14296.2212489874. The cubic root of 204381942 is about 589.0436887430.

The spelling of 204381942 in words is "two hundred four million, three hundred eighty-one thousand, nine hundred forty-two".