997384485 has 16 divisors (see below), whose sum is σ = 1596492864. Its totient is φ = 531712512.

The previous prime is 997384457. The next prime is 997384517. The reversal of 997384485 is 584483799.

It is not a de Polignac number, because 997384485 - 2¹⁰ = 997383461 is a prime.

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, 26074 + ... + 51716.

It is an arithmetic number, because the mean of its divisors is an integer number (99780804).

Almost surely, 2^997384485 is an apocalyptic number.

It is an amenable number.

997384485 is a deficient number, since it is larger than the sum of its proper divisors (599108379).

997384485 is a wasteful number, since it uses less digits than its factorization.

997384485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28244.

The product of its digits is 8709120, while the sum is 57.

The square root of 997384485 is about 31581.3946018855. The cubic root of 997384485 is about 999.1274004582.

The spelling of 997384485 in words is "nine hundred ninety-seven million, three hundred eighty-four thousand, four hundred eighty-five".