849540 has 24 divisors (see below), whose sum is σ = 2378880. Its totient is φ = 226528.

The previous prime is 849539. The next prime is 849571. The reversal of 849540 is 45948.

849540 = T₁₉₉ + T₂₀₀ + ... + T₂₃₄.

849540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 849498 and 849507.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 849540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7020 + ... + 7139.

It is an arithmetic number, because the mean of its divisors is an integer number (99120).

2⁸⁴⁹⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

849540 is an abundant number, since it is smaller than the sum of its proper divisors (1529340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

849540 is a wasteful number, since it uses less digits than its factorization.

849540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14171 (or 14169 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 849540 is about 921.7049419418. The cubic root of 849540 is about 94.7097326591.

The spelling of 849540 in words is "eight hundred forty-nine thousand, five hundred forty".