997349471 has 8 divisors (see below), whose sum is σ = 1014679680. Its totient is φ = 980091288.

The previous prime is 997349429. The next prime is 997349473. The reversal of 997349471 is 174943799.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 997349471 - 2¹⁰ = 997348447 is a prime.

It is a super-3 number, since 3×997349471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997349473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10310 + ... + 45836.

It is an arithmetic number, because the mean of its divisors is an integer number (126834960).

Almost surely, 2^997349471 is an apocalyptic number.

997349471 is a deficient number, since it is larger than the sum of its proper divisors (17330209).

997349471 is a wasteful number, since it uses less digits than its factorization.

997349471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36013.

The product of its digits is 1714608, while the sum is 53.

The square root of 997349471 is about 31580.8402516463. The cubic root of 997349471 is about 999.1157085925.

The spelling of 997349471 in words is "nine hundred ninety-seven million, three hundred forty-nine thousand, four hundred seventy-one".