849454 has 4 divisors (see below), whose sum is σ = 1274184. Its totient is φ = 424726.

The previous prime is 849427. The next prime is 849461. The reversal of 849454 is 454948.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

849454 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212362 + ... + 212365.

It is an arithmetic number, because the mean of its divisors is an integer number (318546).

2⁸⁴⁹⁴⁵⁴ is an apocalyptic number.

849454 is a deficient number, since it is larger than the sum of its proper divisors (424730).

849454 is a wasteful number, since it uses less digits than its factorization.

849454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424729.

The product of its digits is 23040, while the sum is 34.

The square root of 849454 is about 921.6582880873. The cubic root of 849454 is about 94.7065366896.

The spelling of 849454 in words is "eight hundred forty-nine thousand, four hundred fifty-four".