1403402006 has 4 divisors (see below), whose sum is σ = 2105103012. Its totient is φ = 701701002.

The previous prime is 1403401991. The next prime is 1403402027. The reversal of 1403402006 is 6002043041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350850500 + ... + 350850503.

It is an arithmetic number, because the mean of its divisors is an integer number (526275753).

Almost surely, 2^1403402006 is an apocalyptic number.

1403402006 is a deficient number, since it is larger than the sum of its proper divisors (701701006).

1403402006 is an equidigital number, since it uses as much as digits as its factorization.

1403402006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701701005.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1403402006 is about 37462.0075009335. The cubic root of 1403402006 is about 1119.5943487375.

Adding to 1403402006 its reverse (6002043041), we get a palindrome (7405445047).

The spelling of 1403402006 in words is "one billion, four hundred three million, four hundred two thousand, six".