620930299 has 4 divisors (see below), whose sum is σ = 677378520. Its totient is φ = 564482080.

The previous prime is 620930291. The next prime is 620930327. The reversal of 620930299 is 992039026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620930299 - 2³ = 620930291 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620930291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28224094 + ... + 28224115.

It is an arithmetic number, because the mean of its divisors is an integer number (169344630).

Almost surely, 2^620930299 is an apocalyptic number.

620930299 is a deficient number, since it is larger than the sum of its proper divisors (56448221).

620930299 is a wasteful number, since it uses less digits than its factorization.

620930299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56448220.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 620930299 is about 24918.4730471191. The cubic root of 620930299 is about 853.1281732165.

The spelling of 620930299 in words is "six hundred twenty million, nine hundred thirty thousand, two hundred ninety-nine".