1420039604 has 12 divisors (see below), whose sum is σ = 2491003200. Its totient is φ = 708324408.

The previous prime is 1420039603. The next prime is 1420039609. The reversal of 1420039604 is 4069300241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420039603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421964 + ... + 425315.

It is an arithmetic number, because the mean of its divisors is an integer number (207583600).

Almost surely, 2^1420039604 is an apocalyptic number.

It is an amenable number.

1420039604 is a deficient number, since it is larger than the sum of its proper divisors (1070963596).

1420039604 is a wasteful number, since it uses less digits than its factorization.

1420039604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847702 (or 847700 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1420039604 is about 37683.4128496876. The cubic root of 1420039604 is about 1124.0013139383.

Adding to 1420039604 its reverse (4069300241), we get a palindrome (5489339845).

The spelling of 1420039604 in words is "one billion, four hundred twenty million, thirty-nine thousand, six hundred four".