620841207 has 32 divisors (see below), whose sum is σ = 1054425600. Its totient is φ = 316320768.

The previous prime is 620841197. The next prime is 620841211. The reversal of 620841207 is 702148026.

It is not a de Polignac number, because 620841207 - 2⁸ = 620840951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620841227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38982 + ... + 52547.

It is an arithmetic number, because the mean of its divisors is an integer number (32950800).

Almost surely, 2^620841207 is an apocalyptic number.

620841207 is a deficient number, since it is larger than the sum of its proper divisors (433584393).

620841207 is a wasteful number, since it uses less digits than its factorization.

620841207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91575.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 620841207 is about 24916.6853132595. The cubic root of 620841207 is about 853.0873685665.

The spelling of 620841207 in words is "six hundred twenty million, eight hundred forty-one thousand, two hundred seven".