385490 has 16 divisors (see below), whose sum is σ = 793152. Its totient is φ = 132144.

The previous prime is 385481. The next prime is 385493. The reversal of 385490 is 94583.

385490 is nontrivially palindromic in base 13.

385490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (385493) by changing a digit.

385490 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 7 ways as a sum of consecutive naturals, for example, 2684 + ... + 2823.

It is an arithmetic number, because the mean of its divisors is an integer number (49572).

2³⁸⁵⁴⁹⁰ is an apocalyptic number.

385490 is an abundant number, since it is smaller than the sum of its proper divisors (407662).

It is a weird number, because it is abundant, but not a pseudoperfect number.

385490 is a wasteful number, since it uses less digits than its factorization.

385490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 385490 is about 620.8784099967. The cubic root of 385490 is about 72.7787131338.

The spelling of 385490 in words is "three hundred eighty-five thousand, four hundred ninety".