4791445 has 4 divisors (see below), whose sum is σ = 5749740. Its totient is φ = 3833152.

The previous prime is 4791443. The next prime is 4791461. The reversal of 4791445 is 5441974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5441974 = 2 ⋅2720987.

It can be written as a sum of positive squares in 2 ways, for example, as 815409 + 3976036 = 903^2 + 1994^2 .

It is a cyclic number.

It is not a de Polignac number, because 4791445 - 2¹ = 4791443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4791445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4791443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479140 + ... + 479149.

It is an arithmetic number, because the mean of its divisors is an integer number (1437435).

Almost surely, 2^4791445 is an apocalyptic number.

It is an amenable number.

4791445 is a deficient number, since it is larger than the sum of its proper divisors (958295).

4791445 is an equidigital number, since it uses as much as digits as its factorization.

4791445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958294.

The product of its digits is 20160, while the sum is 34.

The square root of 4791445 is about 2188.9369566070. The cubic root of 4791445 is about 168.5862572624.

The spelling of 4791445 in words is "four million, seven hundred ninety-one thousand, four hundred forty-five".