2006431436 has 12 divisors (see below), whose sum is σ = 3517998120. Its totient is φ = 1001289120.

The previous prime is 2006431429. The next prime is 2006431489. The reversal of 2006431436 is 6341346002.

It is a junction number, because it is equal to n+sod(n) for n = 2006431399 and 2006431408.

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, 479306 + ... + 483473.

It is an arithmetic number, because the mean of its divisors is an integer number (293166510).

Almost surely, 2^2006431436 is an apocalyptic number.

It is an amenable number.

2006431436 is a deficient number, since it is larger than the sum of its proper divisors (1511566684).

2006431436 is a wasteful number, since it uses less digits than its factorization.

2006431436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963304 (or 963302 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2006431436 is about 44793.2074761341. The cubic root of 2006431436 is about 1261.2701217812.

Adding to 2006431436 its reverse (6341346002), we get a palindrome (8347777438).

The spelling of 2006431436 in words is "two billion, six million, four hundred thirty-one thousand, four hundred thirty-six".