4639340 has 12 divisors (see below), whose sum is σ = 9742656. Its totient is φ = 1855728.

The previous prime is 4639331. The next prime is 4639343. The reversal of 4639340 is 439364.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4639343) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 115964 + ... + 116003.

It is an arithmetic number, because the mean of its divisors is an integer number (811888).

Almost surely, 2^4639340 is an apocalyptic number.

It is an amenable number.

4639340 is an abundant number, since it is smaller than the sum of its proper divisors (5103316).

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

4639340 is a wasteful number, since it uses less digits than its factorization.

4639340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231976 (or 231974 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 4639340 is about 2153.9127187516. The cubic root of 4639340 is about 166.7831097382.

The spelling of 4639340 in words is "four million, six hundred thirty-nine thousand, three hundred forty".