997134436 has 12 divisors (see below), whose sum is σ = 1745630460. Its totient is φ = 498382880.

The previous prime is 997134427. The next prime is 997134443. The reversal of 997134436 is 634431799.

997134436 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 2 ways, for example, as 272448036 + 724686400 = 16506^2 + 26920^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33535 + ... + 55846.

It is an arithmetic number, because the mean of its divisors is an integer number (145469205).

Almost surely, 2^997134436 is an apocalyptic number.

It is an amenable number.

997134436 is a deficient number, since it is larger than the sum of its proper divisors (748496024).

997134436 is a wasteful number, since it uses less digits than its factorization.

997134436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92174 (or 92172 counting only the distinct ones).

The product of its digits is 489888, while the sum is 46.

The square root of 997134436 is about 31577.4355513553. The cubic root of 997134436 is about 999.0438981606.

The spelling of 997134436 in words is "nine hundred ninety-seven million, one hundred thirty-four thousand, four hundred thirty-six".