4014405 has 12 divisors (see below), whose sum is σ = 6958380. Its totient is φ = 2140992.

The previous prime is 4014403. The next prime is 4014421. The reversal of 4014405 is 5044104.

It can be written as a sum of positive squares in 2 ways, for example, as 1252161 + 2762244 = 1119^2 + 1662^2 .

It is not a de Polignac number, because 4014405 - 2¹ = 4014403 is a prime.

It is a super-2 number, since 2×4014405² = 32230895008050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4014401) 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, 44560 + ... + 44649.

It is an arithmetic number, because the mean of its divisors is an integer number (579865).

Almost surely, 2^4014405 is an apocalyptic number.

4014405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4014405 is a deficient number, since it is larger than the sum of its proper divisors (2943975).

4014405 is a wasteful number, since it uses less digits than its factorization.

4014405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89220 (or 89217 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4014405 is about 2003.5980135746. The cubic root of 4014405 is about 158.9304311768.

Adding to 4014405 its reverse (5044104), we get a palindrome (9058509).

The spelling of 4014405 in words is "four million, fourteen thousand, four hundred five".