2000401 has 4 divisors (see below), whose sum is σ = 2154292. Its totient is φ = 1846512.

The previous prime is 2000393. The next prime is 2000413. The reversal of 2000401 is 1040002.

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 524176 + 1476225 = 724^2 + 1215^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000401 - 2³ = 2000393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010401) 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, 76926 + ... + 76951.

It is an arithmetic number, because the mean of its divisors is an integer number (538573).

2^2000401 is an apocalyptic number.

It is an amenable number.

2000401 is a deficient number, since it is larger than the sum of its proper divisors (153891).

2000401 is a wasteful number, since it uses less digits than its factorization.

2000401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153890.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 2000401 is about 1414.3553301770. The cubic root of 2000401 is about 126.0005248991. Note that the first 3 decimals are identical.

Adding to 2000401 its reverse (1040002), we get a palindrome (3040403).

It can be divided in two parts, 2000 and 401, that added together give a 4-th power (2401 = 7⁴).

The spelling of 2000401 in words is "two million, four hundred one", and thus it is an aban number.