1404216231 has 32 divisors (see below), whose sum is σ = 2089221120. Its totient is φ = 831792000.

The previous prime is 1404216211. The next prime is 1404216251. The reversal of 1404216231 is 1326124041.

It is an interprime number because it is at equal distance from previous prime (1404216211) and next prime (1404216251).

It is not a de Polignac number, because 1404216231 - 2⁷ = 1404216103 is a prime.

It is a super-2 number, since 2×1404216231² = 3943646446807690722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404216211) 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 31 ways as a sum of consecutive naturals, for example, 260641 + ... + 265973.

It is an arithmetic number, because the mean of its divisors is an integer number (65288160).

Almost surely, 2^1404216231 is an apocalyptic number.

1404216231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1404216231 is a deficient number, since it is larger than the sum of its proper divisors (685004889).

1404216231 is a wasteful number, since it uses less digits than its factorization.

1404216231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1404216231 is about 37472.8732685392. The cubic root of 1404216231 is about 1119.8108287539.

The spelling of 1404216231 in words is "one billion, four hundred four million, two hundred sixteen thousand, two hundred thirty-one".