297423156 has 12 divisors (see below), whose sum is σ = 693987392. Its totient is φ = 99141048.

The previous prime is 297423103. The next prime is 297423163. The reversal of 297423156 is 651324792.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×297423156³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12392620 + ... + 12392643.

Almost surely, 2^297423156 is an apocalyptic number.

It is an amenable number.

297423156 is an abundant number, since it is smaller than the sum of its proper divisors (396564236).

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

297423156 is a wasteful number, since it uses less digits than its factorization.

297423156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24785270 (or 24785268 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 297423156 is about 17245.9605705220. The cubic root of 297423156 is about 667.5107422979.

The spelling of 297423156 in words is "two hundred ninety-seven million, four hundred twenty-three thousand, one hundred fifty-six".