203948442 has 48 divisors (see below), whose sum is σ = 473071872. Its totient is φ = 65784960.

The previous prime is 203948431. The next prime is 203948449. The reversal of 203948442 is 244849302.

203948442 is a `hidden beast` number, since 203 + 9 + 4 + 8 + 442 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 203948397 and 203948406.

It is not an unprimeable number, because it can be changed into a prime (203948449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8298 + ... + 21834.

It is an arithmetic number, because the mean of its divisors is an integer number (9855664).

Almost surely, 2^203948442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203948442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236535936).

203948442 is an abundant number, since it is smaller than the sum of its proper divisors (269123430).

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

203948442 is a wasteful number, since it uses less digits than its factorization.

203948442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13585 (or 13573 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 203948442 is about 14281.0518520171. The cubic root of 203948442 is about 588.6269343976.

The spelling of 203948442 in words is "two hundred three million, nine hundred forty-eight thousand, four hundred forty-two".