849458 has 4 divisors (see below), whose sum is σ = 1274190. Its totient is φ = 424728.

The previous prime is 849427. The next prime is 849461. The reversal of 849458 is 854948.

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., 582169 + 267289 = 763^2 + 517^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 212363 + ... + 212366.

2⁸⁴⁹⁴⁵⁸ is an apocalyptic number.

849458 is a deficient number, since it is larger than the sum of its proper divisors (424732).

849458 is a wasteful number, since it uses less digits than its factorization.

849458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424731.

The product of its digits is 46080, while the sum is 38.

The square root of 849458 is about 921.6604580864. The cubic root of 849458 is about 94.7066853441.

The spelling of 849458 in words is "eight hundred forty-nine thousand, four hundred fifty-eight".