620434633 has 8 divisors (see below), whose sum is σ = 763611968. Its totient is φ = 490893264.

The previous prime is 620434631. The next prime is 620434657. The reversal of 620434633 is 336434026.

620434633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 620434633 - 2¹ = 620434631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620434595 and 620434604.

It is not an unprimeable number, because it can be changed into a prime (620434631) 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, 3408891 + ... + 3409072.

It is an arithmetic number, because the mean of its divisors is an integer number (95451496).

Almost surely, 2^620434633 is an apocalyptic number.

It is an amenable number.

620434633 is a deficient number, since it is larger than the sum of its proper divisors (143177335).

620434633 is a wasteful number, since it uses less digits than its factorization.

620434633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6817983.

The product of its (nonzero) digits is 31104, while the sum is 31.

The square root of 620434633 is about 24908.5253076131. The cubic root of 620434633 is about 852.9011057559.

Adding to 620434633 its reverse (336434026), we get a palindrome (956868659).

The spelling of 620434633 in words is "six hundred twenty million, four hundred thirty-four thousand, six hundred thirty-three".