4345641 has 12 divisors (see below), whose sum is σ = 6334068. Its totient is φ = 2870784.

The previous prime is 4345639. The next prime is 4345651. The reversal of 4345641 is 1465434.

It can be written as a sum of positive squares in 2 ways, for example, as 484416 + 3861225 = 696^2 + 1965^2 .

It is not a de Polignac number, because 4345641 - 2¹ = 4345639 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4345651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1120 + ... + 3153.

It is an arithmetic number, because the mean of its divisors is an integer number (527839).

Almost surely, 2^4345641 is an apocalyptic number.

It is an amenable number.

4345641 is a deficient number, since it is larger than the sum of its proper divisors (1988427).

4345641 is a wasteful number, since it uses less digits than its factorization.

4345641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4392 (or 4389 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 4345641 is about 2084.6201092765. The cubic root of 4345641 is about 163.1866455696.

The spelling of 4345641 in words is "four million, three hundred forty-five thousand, six hundred forty-one".