297136 has 30 divisors (see below), whose sum is σ = 671460. Its totient is φ = 127008.

The previous prime is 297133. The next prime is 297151. The reversal of 297136 is 631792.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (297133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 595 + ... + 973.

It is an arithmetic number, because the mean of its divisors is an integer number (22382).

2²⁹⁷¹³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335730).

297136 is an abundant number, since it is smaller than the sum of its proper divisors (374324).

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

297136 is a wasteful number, since it uses less digits than its factorization.

297136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 388 counting only the distinct ones).

The product of its digits is 2268, while the sum is 28.

The square root of 297136 is about 545.1018253501. The cubic root of 297136 is about 66.7295850449.

The spelling of 297136 in words is "two hundred ninety-seven thousand, one hundred thirty-six".