997075352 has 64 divisors (see below), whose sum is σ = 2308158720. Its totient is φ = 393211008.

The previous prime is 997075291. The next prime is 997075393. The reversal of 997075352 is 253570799.

It is a junction number, because it is equal to n+sod(n) for n = 997075297 and 997075306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250643 + ... + 254589.

It is an arithmetic number, because the mean of its divisors is an integer number (36064980).

Almost surely, 2^997075352 is an apocalyptic number.

It is a pronic number, being equal to 31576×31577.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 997075352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1154079360).

997075352 is an abundant number, since it is smaller than the sum of its proper divisors (1311083368).

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

997075352 is a wasteful number, since it uses less digits than its factorization.

997075352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4320 (or 4316 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 47.

The square root of 997075352 is about 31576.4999960414. The cubic root of 997075352 is about 999.0241653899.

The spelling of 997075352 in words is "nine hundred ninety-seven million, seventy-five thousand, three hundred fifty-two".