4140401 has 4 divisors (see below), whose sum is σ = 4383972. Its totient is φ = 3896832.

The previous prime is 4140397. The next prime is 4140419. The reversal of 4140401 is 1040414.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2512225 + 1628176 = 1585^2 + 1276^2 .

It is a cyclic number.

It is not a de Polignac number, because 4140401 - 2² = 4140397 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (4140421) 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, 121760 + ... + 121793.

It is an arithmetic number, because the mean of its divisors is an integer number (1095993).

Almost surely, 2^4140401 is an apocalyptic number.

It is an amenable number.

4140401 is a deficient number, since it is larger than the sum of its proper divisors (243571).

4140401 is a wasteful number, since it uses less digits than its factorization.

4140401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243570.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 4140401 is about 2034.7975329256. The cubic root of 4140401 is about 160.5760614890.

Adding to 4140401 its reverse (1040414), we get a palindrome (5180815).

The spelling of 4140401 in words is "four million, one hundred forty thousand, four hundred one".