4781091 has 8 divisors (see below), whose sum is σ = 7285504. Its totient is φ = 2732040.

The previous prime is 4781089. The next prime is 4781111. The reversal of 4781091 is 1901874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4781091 - 2¹ = 4781089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4781011) 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, 113815 + ... + 113856.

It is an arithmetic number, because the mean of its divisors is an integer number (910688).

Almost surely, 2^4781091 is an apocalyptic number.

4781091 is a deficient number, since it is larger than the sum of its proper divisors (2504413).

4781091 is a wasteful number, since it uses less digits than its factorization.

4781091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227681.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 4781091 is about 2186.5706025647. The cubic root of 4781091 is about 168.4647350526.

The spelling of 4781091 in words is "four million, seven hundred eighty-one thousand, ninety-one".