427790 has 16 divisors (see below), whose sum is σ = 840240. Its totient is φ = 155520.

The previous prime is 427789. The next prime is 427813. The reversal of 427790 is 97724.

427790 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1835 + ... + 2054.

It is an arithmetic number, because the mean of its divisors is an integer number (52515).

2⁴²⁷⁷⁹⁰ is an apocalyptic number.

427790 is a deficient number, since it is larger than the sum of its proper divisors (412450).

427790 is a wasteful number, since it uses less digits than its factorization.

427790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 427790 is about 654.0565724767. The cubic root of 427790 is about 75.3488929843.

The spelling of 427790 in words is "four hundred twenty-seven thousand, seven hundred ninety".