1404234216 has 192 divisors, whose sum is σ = 4991500800. Its totient is φ = 345513600.

The previous prime is 1404234211. The next prime is 1404234229. The reversal of 1404234216 is 6124324041.

It is a happy number.

1404234216 is a `hidden beast` number, since 1 + 404 + 234 + 21 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1404234216.

It is not an unprimeable number, because it can be changed into a prime (1404234211) 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 47 ways as a sum of consecutive naturals, for example, 98671 + ... + 112001.

It is an arithmetic number, because the mean of its divisors is an integer number (25997400).

Almost surely, 2^1404234216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404234216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2495750400).

1404234216 is an abundant number, since it is smaller than the sum of its proper divisors (3587266584).

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

1404234216 is a wasteful number, since it uses less digits than its factorization.

1404234216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13380 (or 13373 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1404234216 is about 37473.1132413628. The cubic root of 1404234216 is about 1119.8156095256.

Adding to 1404234216 its reverse (6124324041), we get a palindrome (7528558257).

The spelling of 1404234216 in words is "one billion, four hundred four million, two hundred thirty-four thousand, two hundred sixteen".