4620578 has 4 divisors (see below), whose sum is σ = 6930870. Its totient is φ = 2310288.

The previous prime is 4620571. The next prime is 4620589. The reversal of 4620578 is 8750264.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4214809 + 405769 = 2053^2 + 637^2 .

It is not an unprimeable number, because it can be changed into a prime (4620571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155143 + ... + 1155146.

Almost surely, 2^4620578 is an apocalyptic number.

4620578 is a deficient number, since it is larger than the sum of its proper divisors (2310292).

4620578 is a wasteful number, since it uses less digits than its factorization.

4620578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310291.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 4620578 is about 2149.5529767838. The cubic root of 4620578 is about 166.5579762449.

The spelling of 4620578 in words is "four million, six hundred twenty thousand, five hundred seventy-eight".