4649181 has 8 divisors (see below), whose sum is σ = 6210720. Its totient is φ = 3093552.

The previous prime is 4649179. The next prime is 4649189. The reversal of 4649181 is 1819464.

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

It is not a de Polignac number, because 4649181 - 2¹ = 4649179 is a prime.

It is a super-2 number, since 2×4649181² = 43229767941522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4649189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915 + ... + 3183.

It is an arithmetic number, because the mean of its divisors is an integer number (776340).

Almost surely, 2^4649181 is an apocalyptic number.

It is an amenable number.

4649181 is a deficient number, since it is larger than the sum of its proper divisors (1561539).

4649181 is a wasteful number, since it uses less digits than its factorization.

4649181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955.

The product of its digits is 6912, while the sum is 33.

The square root of 4649181 is about 2156.1959558445. The cubic root of 4649181 is about 166.9009536145.

The spelling of 4649181 in words is "four million, six hundred forty-nine thousand, one hundred eighty-one".