1404006604 has 72 divisors (see below), whose sum is σ = 3357901008. Its totient is φ = 504927360.

The previous prime is 1404006601. The next prime is 1404006619. The reversal of 1404006604 is 4066004041.

It is a super-2 number, since 2×1404006604² = 3942469088151225632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1404006601) 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 23 ways as a sum of consecutive naturals, for example, 2982 + ... + 53074.

It is an arithmetic number, because the mean of its divisors is an integer number (46637514).

Almost surely, 2^1404006604 is an apocalyptic number.

1404006604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404006604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678950504).

1404006604 is an abundant number, since it is smaller than the sum of its proper divisors (1953894404).

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

1404006604 is a wasteful number, since it uses less digits than its factorization.

1404006604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50135 (or 50126 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1404006604 is about 37470.0761141474. The cubic root of 1404006604 is about 1119.7551027051.

The spelling of 1404006604 in words is "one billion, four hundred four million, six thousand, six hundred four".