4639146 has 16 divisors (see below), whose sum is σ = 9681984. Its totient is φ = 1479104.

The previous prime is 4639139. The next prime is 4639189. The reversal of 4639146 is 6419364.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16671 + ... + 16946.

It is an arithmetic number, because the mean of its divisors is an integer number (605124).

Almost surely, 2^4639146 is an apocalyptic number.

4639146 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4639146 is an abundant number, since it is smaller than the sum of its proper divisors (5042838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4639146 is a wasteful number, since it uses less digits than its factorization.

4639146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33645.

The product of its digits is 15552, while the sum is 33.

The square root of 4639146 is about 2153.8676839583. The cubic root of 4639146 is about 166.7807849554.

The spelling of 4639146 in words is "four million, six hundred thirty-nine thousand, one hundred forty-six".