620364243 has 8 divisors (see below), whose sum is σ = 829216656. Its totient is φ = 412544000.

The previous prime is 620364223. The next prime is 620364253. The reversal of 620364243 is 342463026.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 620364243 - 2²⁶ = 553255379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 620364243.

It is not an unprimeable number, because it can be changed into a prime (620364223) 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, 256638 + ... + 259043.

It is an arithmetic number, because the mean of its divisors is an integer number (103652082).

Almost surely, 2^620364243 is an apocalyptic number.

620364243 is a deficient number, since it is larger than the sum of its proper divisors (208852413).

620364243 is a wasteful number, since it uses less digits than its factorization.

620364243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516085.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 620364243 is about 24907.1122974945. The cubic root of 620364243 is about 852.8688498844.

The spelling of 620364243 in words is "six hundred twenty million, three hundred sixty-four thousand, two hundred forty-three".