849554 has 4 divisors (see below), whose sum is σ = 1274334. Its totient is φ = 424776.

The previous prime is 849539. The next prime is 849571. The reversal of 849554 is 455948.

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., 677329 + 172225 = 823^2 + 415^2 .

It is a Curzon number.

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, 212387 + ... + 212390.

2⁸⁴⁹⁵⁵⁴ is an apocalyptic number.

849554 is a deficient number, since it is larger than the sum of its proper divisors (424780).

849554 is a wasteful number, since it uses less digits than its factorization.

849554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424779.

The product of its digits is 28800, while the sum is 35.

The square root of 849554 is about 921.7125365319. The cubic root of 849554 is about 94.7102529128.

The spelling of 849554 in words is "eight hundred forty-nine thousand, five hundred fifty-four".