485420381 has 4 divisors (see below), whose sum is σ = 486308352. Its totient is φ = 484532412.

The previous prime is 485420347. The next prime is 485420393. The reversal of 485420381 is 183024584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 485420381 - 2¹⁰ = 485419357 is a prime.

It is a super-2 number, since 2×485420381² = 471265892580370322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485420281) 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, 443165 + ... + 444258.

It is an arithmetic number, because the mean of its divisors is an integer number (121577088).

Almost surely, 2^485420381 is an apocalyptic number.

It is an amenable number.

485420381 is a deficient number, since it is larger than the sum of its proper divisors (887971).

485420381 is an equidigital number, since it uses as much as digits as its factorization.

485420381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887970.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 485420381 is about 22032.2577372361. The cubic root of 485420381 is about 785.9097360017.

The spelling of 485420381 in words is "four hundred eighty-five million, four hundred twenty thousand, three hundred eighty-one".