997042334 has 4 divisors (see below), whose sum is σ = 1495563504. Its totient is φ = 498521166.

The previous prime is 997042283. The next prime is 997042379. The reversal of 997042334 is 433240799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433240799 = 6043 ⋅71693.

It is a junction number, because it is equal to n+sod(n) for n = 997042291 and 997042300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249260582 + ... + 249260585.

It is an arithmetic number, because the mean of its divisors is an integer number (373890876).

Almost surely, 2^997042334 is an apocalyptic number.

997042334 is a deficient number, since it is larger than the sum of its proper divisors (498521170).

997042334 is a wasteful number, since it uses less digits than its factorization.

997042334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498521169.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 997042334 is about 31575.9771661939. The cubic root of 997042334 is about 999.0131377566.

The spelling of 997042334 in words is "nine hundred ninety-seven million, forty-two thousand, three hundred thirty-four".