452390 has 16 divisors (see below), whose sum is σ = 857520. Its totient is φ = 171360.

The previous prime is 452377. The next prime is 452393. The reversal of 452390 is 93254.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001 + ... + 1380.

It is an arithmetic number, because the mean of its divisors is an integer number (53595).

2⁴⁵²³⁹⁰ is an apocalyptic number.

452390 is a deficient number, since it is larger than the sum of its proper divisors (405130).

452390 is a wasteful number, since it uses less digits than its factorization.

452390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 452390 is about 672.5994350280. The cubic root of 452390 is about 76.7663689193.

The spelling of 452390 in words is "four hundred fifty-two thousand, three hundred ninety".