849428 has 12 divisors (see below), whose sum is σ = 1507380. Its totient is φ = 418752.

The previous prime is 849427. The next prime is 849461. The reversal of 849428 is 824948.

849428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 620944 + 228484 = 788^2 + 478^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163 + ... + 1746.

It is an arithmetic number, because the mean of its divisors is an integer number (125615).

2⁸⁴⁹⁴²⁸ is an apocalyptic number.

It is an amenable number.

849428 is a deficient number, since it is larger than the sum of its proper divisors (657952).

849428 is a wasteful number, since it uses less digits than its factorization.

849428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986 (or 2984 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 849428 is about 921.6441829687. The cubic root of 849428 is about 94.7055704237.

The spelling of 849428 in words is "eight hundred forty-nine thousand, four hundred twenty-eight".