204906416 has 90 divisors (see below), whose sum is σ = 474693948. Its totient is φ = 84938880.

The previous prime is 204906413. The next prime is 204906467. The reversal of 204906416 is 614609402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (204906413) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2468711 + ... + 2468793.

Almost surely, 2^204906416 is an apocalyptic number.

204906416 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204906416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237346974).

204906416 is an abundant number, since it is smaller than the sum of its proper divisors (269787532).

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

204906416 is a wasteful number, since it uses less digits than its factorization.

204906416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 204906416 is about 14314.5525951739. The cubic root of 204906416 is about 589.5471158275.

The spelling of 204906416 in words is "two hundred four million, nine hundred six thousand, four hundred sixteen".