427390 has 16 divisors (see below), whose sum is σ = 780480. Its totient is φ = 168480.

The previous prime is 427381. The next prime is 427403. The reversal of 427390 is 93724.

427390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

427390 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 7 ways as a sum of consecutive naturals, for example, 520 + ... + 1060.

It is an arithmetic number, because the mean of its divisors is an integer number (48780).

2⁴²⁷³⁹⁰ is an apocalyptic number.

427390 is a deficient number, since it is larger than the sum of its proper divisors (353090).

427390 is a wasteful number, since it uses less digits than its factorization.

427390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 427390 is about 653.7507170168. The cubic root of 427390 is about 75.3254009625.

The spelling of 427390 in words is "four hundred twenty-seven thousand, three hundred ninety".