1404423434 has 4 divisors (see below), whose sum is σ = 2106635154. Its totient is φ = 702211716.

The previous prime is 1404423409. The next prime is 1404423443. The reversal of 1404423434 is 4343244041.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1271136409 + 133287025 = 35653^2 + 11545^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1404423397 and 1404423406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351105857 + ... + 351105860.

Almost surely, 2^1404423434 is an apocalyptic number.

1404423434 is a deficient number, since it is larger than the sum of its proper divisors (702211720).

1404423434 is an equidigital number, since it uses as much as digits as its factorization.

1404423434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702211719.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 1404423434 is about 37475.6378731570. The cubic root of 1404423434 is about 1119.8659049704.

Adding to 1404423434 its reverse (4343244041), we get a palindrome (5747667475).

The spelling of 1404423434 in words is "one billion, four hundred four million, four hundred twenty-three thousand, four hundred thirty-four".