620272446 has 16 divisors (see below), whose sum is σ = 1255492224. Its totient is φ = 204266264.

The previous prime is 620272391. The next prime is 620272447. The reversal of 620272446 is 644272026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620272447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622266 + ... + 623261.

It is an arithmetic number, because the mean of its divisors is an integer number (78468264).

Almost surely, 2^620272446 is an apocalyptic number.

620272446 is an abundant number, since it is smaller than the sum of its proper divisors (635219778).

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

620272446 is a wasteful number, since it uses less digits than its factorization.

620272446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245615.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 620272446 is about 24905.2694424292. The cubic root of 620272446 is about 852.8267806943.

The spelling of 620272446 in words is "six hundred twenty million, two hundred seventy-two thousand, four hundred forty-six".