914439881 has 4 divisors (see below), whose sum is σ = 914532372. Its totient is φ = 914347392.

The previous prime is 914439863. The next prime is 914439901. The reversal of 914439881 is 188934419.

914439881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 667447225 + 246992656 = 25835^2 + 15716^2 .

It is a cyclic number.

It is not a de Polignac number, because 914439881 - 2⁶ = 914439817 is a prime.

It is a super-2 number, since 2×914439881² = 1672400591926588322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (914439811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29360 + ... + 51873.

It is an arithmetic number, because the mean of its divisors is an integer number (228633093).

Almost surely, 2^914439881 is an apocalyptic number.

It is an amenable number.

914439881 is a deficient number, since it is larger than the sum of its proper divisors (92491).

914439881 is a wasteful number, since it uses less digits than its factorization.

914439881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92490.

The product of its digits is 248832, while the sum is 47.

The square root of 914439881 is about 30239.7070256972. The cubic root of 914439881 is about 970.6255507253.

The spelling of 914439881 in words is "nine hundred fourteen million, four hundred thirty-nine thousand, eight hundred eighty-one".