849490 has 32 divisors (see below), whose sum is σ = 1710720. Its totient is φ = 301824.

The previous prime is 849481. The next prime is 849523. The reversal of 849490 is 94948.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent 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 in 15 ways as a sum of consecutive naturals, for example, 3099 + ... + 3361.

It is an arithmetic number, because the mean of its divisors is an integer number (53460).

2⁸⁴⁹⁴⁹⁰ is an apocalyptic number.

849490 is an abundant number, since it is smaller than the sum of its proper divisors (861230).

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

849490 is a wasteful number, since it uses less digits than its factorization.

849490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 849490 is about 921.6778178952. The cubic root of 849490 is about 94.7078745635.

The spelling of 849490 in words is "eight hundred forty-nine thousand, four hundred ninety".