204461387 has 8 divisors (see below), whose sum is σ = 220353504. Its totient is φ = 188592768.

The previous prime is 204461381. The next prime is 204461407. The reversal of 204461387 is 783164402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204461387 - 2¹⁸ = 204199243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204461381) 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, 14963 + ... + 25155.

It is an arithmetic number, because the mean of its divisors is an integer number (27544188).

Almost surely, 2^204461387 is an apocalyptic number.

204461387 is a deficient number, since it is larger than the sum of its proper divisors (15892117).

204461387 is a wasteful number, since it uses less digits than its factorization.

204461387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11749.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 204461387 is about 14298.9995104553. Note that the first 3 decimals coincide. The cubic root of 204461387 is about 589.1200009542.

The spelling of 204461387 in words is "two hundred four million, four hundred sixty-one thousand, three hundred eighty-seven".