620434365 has 8 divisors (see below), whose sum is σ = 992695008. Its totient is φ = 330898320.

The previous prime is 620434349. The next prime is 620434369. The reversal of 620434365 is 563434026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 620434365 - 2⁴ = 620434349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620434369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20681131 + ... + 20681160.

It is an arithmetic number, because the mean of its divisors is an integer number (124086876).

Almost surely, 2^620434365 is an apocalyptic number.

It is an amenable number.

620434365 is a deficient number, since it is larger than the sum of its proper divisors (372260643).

620434365 is a wasteful number, since it uses less digits than its factorization.

620434365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41362299.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 620434365 is about 24908.5199279283. The cubic root of 620434365 is about 852.9009829508.

The spelling of 620434365 in words is "six hundred twenty million, four hundred thirty-four thousand, three hundred sixty-five".