4640340 has 24 divisors (see below), whose sum is σ = 12993120. Its totient is φ = 1237408.

The previous prime is 4640329. The next prime is 4640369. The reversal of 4640340 is 430464.

It is a congruent number.

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, 38610 + ... + 38729.

It is an arithmetic number, because the mean of its divisors is an integer number (541380).

Almost surely, 2^4640340 is an apocalyptic number.

It is an amenable number.

4640340 is an abundant number, since it is smaller than the sum of its proper divisors (8352780).

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

4640340 is a wasteful number, since it uses less digits than its factorization.

4640340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77351 (or 77349 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4640340 is about 2154.1448419268. The cubic root of 4640340 is about 166.7950921271.

The spelling of 4640340 in words is "four million, six hundred forty thousand, three hundred forty".