2009984401 has 8 divisors (see below), whose sum is σ = 2017998504. Its totient is φ = 2001985920.

The previous prime is 2009984393. The next prime is 2009984419. The reversal of 2009984401 is 1044899002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 81018001 + 1928966400 = 9001^2 + 43920^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2009984401 - 2³ = 2009984393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2009984491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298791 + ... + 305443.

It is an arithmetic number, because the mean of its divisors is an integer number (252249813).

Almost surely, 2^2009984401 is an apocalyptic number.

It is an amenable number.

2009984401 is a deficient number, since it is larger than the sum of its proper divisors (8014103).

2009984401 is an equidigital number, since it uses as much as digits as its factorization.

2009984401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7811.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 2009984401 is about 44832.8495748374. The cubic root of 2009984401 is about 1262.0141635001.

The spelling of 2009984401 in words is "two billion, nine million, nine hundred eighty-four thousand, four hundred one".