485430381 has 16 divisors (see below), whose sum is σ = 719769600. Its totient is φ = 323344224.

The previous prime is 485430353. The next prime is 485430383. The reversal of 485430381 is 183034584.

It is not a de Polignac number, because 485430381 - 2¹⁸ = 485168237 is a prime.

It is a super-2 number, since 2×485430381² = 471285309595610322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485430383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27505 + ... + 41561.

It is an arithmetic number, because the mean of its divisors is an integer number (44985600).

Almost surely, 2^485430381 is an apocalyptic number.

It is an amenable number.

485430381 is a deficient number, since it is larger than the sum of its proper divisors (234339219).

485430381 is a wasteful number, since it uses less digits than its factorization.

485430381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15345 (or 15339 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 485430381 is about 22032.4846760414. The cubic root of 485430381 is about 785.9151327284.

The spelling of 485430381 in words is "four hundred eighty-five million, four hundred thirty thousand, three hundred eighty-one".