890431336 has 8 divisors (see below), whose sum is σ = 1669558770. Its totient is φ = 445215664.

The previous prime is 890431319. The next prime is 890431337. The reversal of 890431336 is 633134098.

890431336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 498628900 + 391802436 = 22330^2 + 19794^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 890431295 and 890431304.

It is not an unprimeable number, because it can be changed into a prime (890431337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55651951 + ... + 55651966.

Almost surely, 2^890431336 is an apocalyptic number.

It is an amenable number.

890431336 is a deficient number, since it is larger than the sum of its proper divisors (779127434).

890431336 is a wasteful number, since it uses less digits than its factorization.

890431336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111303923 (or 111303919 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 890431336 is about 29840.0961124458. The cubic root of 890431336 is about 962.0555405828.

The spelling of 890431336 in words is "eight hundred ninety million, four hundred thirty-one thousand, three hundred thirty-six".