1002431406 has 16 divisors (see below), whose sum is σ = 2005243344. Its totient is φ = 334080384.

The previous prime is 1002431359. The next prime is 1002431411. The reversal of 1002431406 is 6041342001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27520 + ... + 52556.

It is an arithmetic number, because the mean of its divisors is an integer number (125327709).

Almost surely, 2^1002431406 is an apocalyptic number.

1002431406 is an abundant number, since it is smaller than the sum of its proper divisors (1002811938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002431406 is a wasteful number, since it uses less digits than its factorization.

1002431406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31715.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1002431406 is about 31661.1971662475. The cubic root of 1002431406 is about 1000.8098126930.

Adding to 1002431406 its reverse (6041342001), we get a palindrome (7043773407).

The spelling of 1002431406 in words is "one billion, two million, four hundred thirty-one thousand, four hundred six".