481643 has 8 divisors (see below), whose sum is σ = 515328. Its totient is φ = 449064.

The previous prime is 481639. The next prime is 481651. The reversal of 481643 is 346184.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 481643 - 2² = 481639 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (481633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746 + ... + 1232.

It is an arithmetic number, because the mean of its divisors is an integer number (64416).

2⁴⁸¹⁶⁴³ is an apocalyptic number.

481643 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

481643 is a deficient number, since it is larger than the sum of its proper divisors (33685).

481643 is a wasteful number, since it uses less digits than its factorization.

481643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its digits is 2304, while the sum is 26.

The square root of 481643 is about 694.0050432093. The cubic root of 481643 is about 78.3865861925.

The spelling of 481643 in words is "four hundred eighty-one thousand, six hundred forty-three".