4781936 has 30 divisors (see below), whose sum is σ = 9604296. Its totient is φ = 2306400.

The previous prime is 4781929. The next prime is 4781941. The reversal of 4781936 is 6391874.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 4781936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15221 + ... + 15531.

Almost surely, 2^4781936 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 4781936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4802148).

4781936 is an abundant number, since it is smaller than the sum of its proper divisors (4822360).

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

4781936 is a wasteful number, since it uses less digits than its factorization.

4781936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 344 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 4781936 is about 2186.7638189800. The cubic root of 4781936 is about 168.4746591694.

The spelling of 4781936 in words is "four million, seven hundred eighty-one thousand, nine hundred thirty-six".