845492 has 6 divisors (see below), whose sum is σ = 1479618. Its totient is φ = 422744.

The previous prime is 845491. The next prime is 845531. The reversal of 845492 is 294548.

It can be written as a sum of positive squares in only one way, i.e., 682276 + 163216 = 826^2 + 404^2 .

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 845492.

It is not an unprimeable number, because it can be changed into a prime (845491) 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 as a sum of consecutive naturals, namely, 105683 + ... + 105690.

It is an arithmetic number, because the mean of its divisors is an integer number (246603).

2⁸⁴⁵⁴⁹² is an apocalyptic number.

It is an amenable number.

845492 is a deficient number, since it is larger than the sum of its proper divisors (634126).

845492 is a wasteful number, since it uses less digits than its factorization.

845492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211377 (or 211375 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 845492 is about 919.5063893198. The cubic root of 845492 is about 94.5590646312.

The spelling of 845492 in words is "eight hundred forty-five thousand, four hundred ninety-two".