4791945 has 16 divisors (see below), whose sum is σ = 7745472. Its totient is φ = 2529600.

The previous prime is 4791937. The next prime is 4791947. The reversal of 4791945 is 5491974.

It is not a de Polignac number, because 4791945 - 2³ = 4791937 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁶ + 7² + 9³ + 1 + 9⁷ + 4⁶ + 5 .

It is not an unprimeable number, because it can be changed into a prime (4791947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67 + ... + 3096.

It is an arithmetic number, because the mean of its divisors is an integer number (484092).

Almost surely, 2^4791945 is an apocalyptic number.

It is an amenable number.

4791945 is a deficient number, since it is larger than the sum of its proper divisors (2953527).

4791945 is a wasteful number, since it uses less digits than its factorization.

4791945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272.

The product of its digits is 45360, while the sum is 39.

The square root of 4791945 is about 2189.0511643175. The cubic root of 4791945 is about 168.5921211996.

The spelling of 4791945 in words is "four million, seven hundred ninety-one thousand, nine hundred forty-five".