483781 has 4 divisors (see below), whose sum is σ = 485452. Its totient is φ = 482112.

The previous prime is 483773. The next prime is 483787. The reversal of 483781 is 187384.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 410881 + 72900 = 641^2 + 270^2 .

It is a cyclic number.

It is not a de Polignac number, because 483781 - 2³ = 483773 is a prime.

It is a super-2 number, since 2×483781² = 468088111922, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (483787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276 + ... + 1021.

It is an arithmetic number, because the mean of its divisors is an integer number (121363).

2⁴⁸³⁷⁸¹ is an apocalyptic number.

It is an amenable number.

483781 is a deficient number, since it is larger than the sum of its proper divisors (1671).

483781 is a wasteful number, since it uses less digits than its factorization.

483781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670.

The product of its digits is 5376, while the sum is 31.

The square root of 483781 is about 695.5436722450. The cubic root of 483781 is about 78.5024002944.

The spelling of 483781 in words is "four hundred eighty-three thousand, seven hundred eighty-one".