4113945 has 24 divisors (see below), whose sum is σ = 7780032. Its totient is φ = 1994400.

The previous prime is 4113943. The next prime is 4113947. The reversal of 4113945 is 5493114.

It is an interprime number because it is at equal distance from previous prime (4113943) and next prime (4113947).

It is not a de Polignac number, because 4113945 - 2¹ = 4113943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4113943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3661 + ... + 4650.

It is an arithmetic number, because the mean of its divisors is an integer number (324168).

Almost surely, 2^4113945 is an apocalyptic number.

4113945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4113945 is a deficient number, since it is larger than the sum of its proper divisors (3666087).

4113945 is a wasteful number, since it uses less digits than its factorization.

4113945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8333 (or 8330 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 4113945 is about 2028.2862224055. The cubic root of 4113945 is about 160.2333184544.

It can be divided in two parts, 411 and 3945, that added together give a square (4356 = 66²).

The spelling of 4113945 in words is "four million, one hundred thirteen thousand, nine hundred forty-five".