1404423946 has 16 divisors (see below), whose sum is σ = 2158361568. Its totient is φ = 685011600.

The previous prime is 1404423901. The next prime is 1404423947. The reversal of 1404423946 is 6493244041.

It is not an unprimeable number, because it can be changed into a prime (1404423947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60661 + ... + 80551.

It is an arithmetic number, because the mean of its divisors is an integer number (134897598).

Almost surely, 2^1404423946 is an apocalyptic number.

1404423946 is a deficient number, since it is larger than the sum of its proper divisors (753937622).

1404423946 is a wasteful number, since it uses less digits than its factorization.

1404423946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20757.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 1404423946 is about 37475.6447042609. The cubic root of 1404423946 is about 1119.8660410574.

Adding to 1404423946 its reverse (6493244041), we get a palindrome (7897667987).

The spelling of 1404423946 in words is "one billion, four hundred four million, four hundred twenty-three thousand, nine hundred forty-six".