203778048 has 96 divisors (see below), whose sum is σ = 575527680. Its totient is φ = 63897600.

The previous prime is 203778019. The next prime is 203778053. The reversal of 203778048 is 840877302.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 203777997 and 203778015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103473 + ... + 105423.

It is an arithmetic number, because the mean of its divisors is an integer number (5995080).

Almost surely, 2^203778048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203778048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287763840).

203778048 is an abundant number, since it is smaller than the sum of its proper divisors (371749632).

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

203778048 is a wasteful number, since it uses less digits than its factorization.

203778048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1973 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 203778048 is about 14275.0848683992. The cubic root of 203778048 is about 588.4629608591.

The spelling of 203778048 in words is "two hundred three million, seven hundred seventy-eight thousand, forty-eight".