4649894 has 16 divisors (see below), whose sum is σ = 7140960. Its totient is φ = 2270400.

The previous prime is 4649893. The next prime is 4649903. The reversal of 4649894 is 4989464.

It is a happy number.

It is a super-2 number, since 2×4649894² = 43243028422472, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4649893) 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, 26792 + ... + 26964.

It is an arithmetic number, because the mean of its divisors is an integer number (446310).

Almost surely, 2^4649894 is an apocalyptic number.

4649894 is a deficient number, since it is larger than the sum of its proper divisors (2491066).

4649894 is a wasteful number, since it uses less digits than its factorization.

4649894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415.

The product of its digits is 248832, while the sum is 44.

The square root of 4649894 is about 2156.3612869832. The cubic root of 4649894 is about 166.9094851743.

The spelling of 4649894 in words is "four million, six hundred forty-nine thousand, eight hundred ninety-four".