2006431376 has 20 divisors (see below), whose sum is σ = 3934300272. Its totient is φ = 991128096.

The previous prime is 2006431351. The next prime is 2006431393. The reversal of 2006431376 is 6731346002.

2006431376 is nontrivially palindromic in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754106 + ... + 756761.

Almost surely, 2^2006431376 is an apocalyptic number.

It is an amenable number.

2006431376 is a deficient number, since it is larger than the sum of its proper divisors (1927868896).

2006431376 is a wasteful number, since it uses less digits than its factorization.

2006431376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510958 (or 1510952 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 2006431376 is about 44793.2068063897. The cubic root of 2006431376 is about 1261.2701092090.

Adding to 2006431376 its reverse (6731346002), we get a palindrome (8737777378).

The spelling of 2006431376 in words is "two billion, six million, four hundred thirty-one thousand, three hundred seventy-six".