4000601 has 4 divisors (see below), whose sum is σ = 4364304. Its totient is φ = 3636900.

The previous prime is 4000589. The next prime is 4000631. The reversal of 4000601 is 1060004.

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 a cyclic number.

It is not a de Polignac number, because 4000601 - 2¹⁰ = 3999577 is a prime.

It is a super-2 number, since 2×4000601² = 32009616722402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (11), and also a Moran number because the ratio is a prime number: 363691 = 4000601 / (4 + 0 + 0 + 0 + 6 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4000631) 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, 181835 + ... + 181856.

It is an arithmetic number, because the mean of its divisors is an integer number (1091076).

Almost surely, 2^4000601 is an apocalyptic number.

It is an amenable number.

4000601 is a deficient number, since it is larger than the sum of its proper divisors (363703).

4000601 is a wasteful number, since it uses less digits than its factorization.

4000601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363702.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 4000601 is about 2000.1502443567. The cubic root of 4000601 is about 158.7480550323.

Adding to 4000601 its reverse (1060004), we get a palindrome (5060605).

The spelling of 4000601 in words is "four million, six hundred one", and thus it is an aban number.