4781943 has 8 divisors (see below), whose sum is σ = 7084400. Its totient is φ = 3187944.

The previous prime is 4781941. The next prime is 4781951. The reversal of 4781943 is 3491874.

It is a happy number.

It is not a de Polignac number, because 4781943 - 2¹ = 4781941 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 4781898 and 4781907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4781941) 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, 88528 + ... + 88581.

It is an arithmetic number, because the mean of its divisors is an integer number (885550).

Almost surely, 2^4781943 is an apocalyptic number.

4781943 is a deficient number, since it is larger than the sum of its proper divisors (2302457).

4781943 is a wasteful number, since it uses less digits than its factorization.

4781943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177118 (or 177112 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 4781943 is about 2186.7654195181. The cubic root of 4781943 is about 168.4747413761.

The spelling of 4781943 in words is "four million, seven hundred eighty-one thousand, nine hundred forty-three".