297442 has 4 divisors (see below), whose sum is σ = 446166. Its totient is φ = 148720.

The previous prime is 297439. The next prime is 297457. The reversal of 297442 is 244792.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 292681 + 4761 = 541^2 + 69^2 .

It is a d-powerful number, because it can be written as 2⁵ + 9² + 4² + 7⁴ + 4⁹ + 2¹⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 297442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74359 + ... + 74362.

2²⁹⁷⁴⁴² is an apocalyptic number.

297442 is a deficient number, since it is larger than the sum of its proper divisors (148724).

297442 is a wasteful number, since it uses less digits than its factorization.

297442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148723.

The product of its digits is 4032, while the sum is 28.

The square root of 297442 is about 545.3824346273. The cubic root of 297442 is about 66.7524839280.

Subtracting from 297442 its reverse (244792), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 297442 in words is "two hundred ninety-seven thousand, four hundred forty-two".