4030401 has 4 divisors (see below), whose sum is σ = 5373872. Its totient is φ = 2686932.

The previous prime is 4030399. The next prime is 4030409. The reversal of 4030401 is 1040304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4030401 - 2¹ = 4030399 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4030409) 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, 671731 + ... + 671736.

It is an arithmetic number, because the mean of its divisors is an integer number (1343468).

Almost surely, 2^4030401 is an apocalyptic number.

It is an amenable number.

4030401 is a deficient number, since it is larger than the sum of its proper divisors (1343471).

4030401 is a wasteful number, since it uses less digits than its factorization.

4030401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343470.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 4030401 is about 2007.5858636681. The cubic root of 4030401 is about 159.1412454794.

Adding to 4030401 its reverse (1040304), we get a palindrome (5070705).

The spelling of 4030401 in words is "four million, thirty thousand, four hundred one".