997134952 has 32 divisors (see below), whose sum is σ = 2040837120. Its totient is φ = 452967040.

The previous prime is 997134947. The next prime is 997134961. The reversal of 997134952 is 259431799.

It is a super-2 number, since 2×997134952² = 1988556225000084608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 997134896 and 997134905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234348 + ... + 238564.

It is an arithmetic number, because the mean of its divisors is an integer number (63776160).

Almost surely, 2^997134952 is an apocalyptic number.

It is an amenable number.

997134952 is an abundant number, since it is smaller than the sum of its proper divisors (1043702168).

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

997134952 is a wasteful number, since it uses less digits than its factorization.

997134952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6921 (or 6917 counting only the distinct ones).

The product of its digits is 612360, while the sum is 49.

The square root of 997134952 is about 31577.4437217454. The cubic root of 997134952 is about 999.0440704899.

The spelling of 997134952 in words is "nine hundred ninety-seven million, one hundred thirty-four thousand, nine hundred fifty-two".