620367405 has 64 divisors (see below), whose sum is σ = 1160521728. Its totient is φ = 277136640.

The previous prime is 620367403. The next prime is 620367409. The reversal of 620367405 is 504763026.

620367405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 620367405 - 2¹ = 620367403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620367403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1146435 + ... + 1146975.

It is an arithmetic number, because the mean of its divisors is an integer number (18133152).

Almost surely, 2^620367405 is an apocalyptic number.

It is an amenable number.

620367405 is a deficient number, since it is larger than the sum of its proper divisors (540154323).

620367405 is a wasteful number, since it uses less digits than its factorization.

620367405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 620367405 is about 24907.1757732586. The cubic root of 620367405 is about 852.8702989077.

The spelling of 620367405 in words is "six hundred twenty million, three hundred sixty-seven thousand, four hundred five".