4520642 has 24 divisors (see below), whose sum is σ = 7964496. Its totient is φ = 1918728.

The previous prime is 4520629. The next prime is 4520647. The reversal of 4520642 is 2460254.

It is not an unprimeable number, because it can be changed into a prime (4520647) 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 11 ways as a sum of consecutive naturals, for example, 15833 + ... + 16115.

It is an arithmetic number, because the mean of its divisors is an integer number (331854).

Almost surely, 2^4520642 is an apocalyptic number.

4520642 is a deficient number, since it is larger than the sum of its proper divisors (3443854).

4520642 is a wasteful number, since it uses less digits than its factorization.

4520642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4520642 is about 2126.1801428854. The cubic root of 4520642 is about 165.3484158905.

Adding to 4520642 its reverse (2460254), we get a palindrome (6980896).

The spelling of 4520642 in words is "four million, five hundred twenty thousand, six hundred forty-two".