390546 has 24 divisors (see below), whose sum is σ = 911820. Its totient is φ = 120096.

The previous prime is 390539. The next prime is 390553. The reversal of 390546 is 645093.

It is a happy number.

390546 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (390539) and next prime (390553).

It can be written as a sum of positive squares in 2 ways, for example, as 378225 + 12321 = 615^2 + 111^2 .

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 11 ways as a sum of consecutive naturals, for example, 601 + ... + 1068.

2³⁹⁰⁵⁴⁶ is an apocalyptic number.

390546 is an abundant number, since it is smaller than the sum of its proper divisors (521274).

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

390546 is a wasteful number, since it uses less digits than its factorization.

390546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 390546 is about 624.9367968043. The cubic root of 390546 is about 73.0955151785.

It can be divided in two parts, 39054 and 6, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 390546 in words is "three hundred ninety thousand, five hundred forty-six".