2004401679 has 16 divisors (see below), whose sum is σ = 3055325952. Its totient is φ = 1144997568.

The previous prime is 2004401657. The next prime is 2004401683. The reversal of 2004401679 is 9761044002.

It is a happy number.

It is not a de Polignac number, because 2004401679 - 2¹³ = 2004393487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004401479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58192 + ... + 85994.

It is an arithmetic number, because the mean of its divisors is an integer number (190957872).

Almost surely, 2^2004401679 is an apocalyptic number.

2004401679 is a deficient number, since it is larger than the sum of its proper divisors (1050924273).

2004401679 is a wasteful number, since it uses less digits than its factorization.

2004401679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31246.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2004401679 is about 44770.5447699712. The cubic root of 2004401679 is about 1260.8446673192.

The spelling of 2004401679 in words is "two billion, four million, four hundred one thousand, six hundred seventy-nine".