997063834 has 12 divisors (see below), whose sum is σ = 1619491806. Its totient is φ = 460183152.

The previous prime is 997063801. The next prime is 997063867. The reversal of 997063834 is 438360799.

It is an interprime number because it is at equal distance from previous prime (997063801) and next prime (997063867).

It can be written as a sum of positive squares in 3 ways, for example, as 388208209 + 608855625 = 19703^2 + 24675^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1474609 + ... + 1475284.

Almost surely, 2^997063834 is an apocalyptic number.

997063834 is a deficient number, since it is larger than the sum of its proper divisors (622427972).

997063834 is a wasteful number, since it uses less digits than its factorization.

997063834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949921 (or 2949908 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 997063834 is about 31576.3176130466. The cubic root of 997063834 is about 999.0203185377.

The spelling of 997063834 in words is "nine hundred ninety-seven million, sixty-three thousand, eight hundred thirty-four".