854490 has 64 divisors (see below), whose sum is σ = 2532096. Its totient is φ = 179712.

The previous prime is 854479. The next prime is 854527. The reversal of 854490 is 94458.

854490 = T₈₉ + T₉₀ + ... + T₁₇₉.

854490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 854490.

It is an unprimeable number.

854490 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2574 + ... + 2886.

It is an arithmetic number, because the mean of its divisors is an integer number (39564).

2⁸⁵⁴⁴⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 854490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1266048).

854490 is an abundant number, since it is smaller than the sum of its proper divisors (1677606).

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

854490 is a wasteful number, since it uses less digits than its factorization.

854490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

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

The square root of 854490 is about 924.3862828926. The cubic root of 854490 is about 94.8933243953.

The spelling of 854490 in words is "eight hundred fifty-four thousand, four hundred ninety".