620862243 has 8 divisors (see below), whose sum is σ = 828072528. Its totient is φ = 413780064.

The previous prime is 620862239. The next prime is 620862271. The reversal of 620862243 is 342268026.

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

It is not a de Polignac number, because 620862243 - 2² = 620862239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620862293) 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, 20080 + ... + 40557.

It is an arithmetic number, because the mean of its divisors is an integer number (103509066).

Almost surely, 2^620862243 is an apocalyptic number.

620862243 is a deficient number, since it is larger than the sum of its proper divisors (207210285).

620862243 is a wasteful number, since it uses less digits than its factorization.

620862243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64053.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 620862243 is about 24917.1074364582. The cubic root of 620862243 is about 853.0970035279.

The spelling of 620862243 in words is "six hundred twenty million, eight hundred sixty-two thousand, two hundred forty-three".