481749 has 4 divisors (see below), whose sum is σ = 642336. Its totient is φ = 321164.

The previous prime is 481721. The next prime is 481751. The reversal of 481749 is 947184.

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 481749 - 2¹¹ = 479701 is a prime.

It is a D-number.

It is a Curzon number.

481749 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481769) 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, 80289 + ... + 80294.

It is an arithmetic number, because the mean of its divisors is an integer number (160584).

2⁴⁸¹⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

481749 is a deficient number, since it is larger than the sum of its proper divisors (160587).

481749 is a wasteful number, since it uses less digits than its factorization.

481749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160586.

The product of its digits is 8064, while the sum is 33.

The square root of 481749 is about 694.0814073291. The cubic root of 481749 is about 78.3923362112.

The spelling of 481749 in words is "four hundred eighty-one thousand, seven hundred forty-nine".