204428741 has 4 divisors (see below), whose sum is σ = 223013184. Its totient is φ = 185844300.

The previous prime is 204428717. The next prime is 204428773. The reversal of 204428741 is 147824402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204428741 - 2⁶ = 204428677 is a prime.

It is a super-2 number, since 2×204428741² = 83582220293690162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204428698 and 204428707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204422741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9292205 + ... + 9292226.

It is an arithmetic number, because the mean of its divisors is an integer number (55753296).

Almost surely, 2^204428741 is an apocalyptic number.

It is an amenable number.

204428741 is a deficient number, since it is larger than the sum of its proper divisors (18584443).

204428741 is a wasteful number, since it uses less digits than its factorization.

204428741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18584442.

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 204428741 is about 14297.8579164853. The cubic root of 204428741 is about 589.0886446909.

The spelling of 204428741 in words is "two hundred four million, four hundred twenty-eight thousand, seven hundred forty-one".