620435411 has 8 divisors (see below), whose sum is σ = 637749504. Its totient is φ = 603225280.

The previous prime is 620435407. The next prime is 620435441. The reversal of 620435411 is 114534026.

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 620435411 - 2² = 620435407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620435401) 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, 13811 + ... + 37836.

It is an arithmetic number, because the mean of its divisors is an integer number (79718688).

Almost surely, 2^620435411 is an apocalyptic number.

620435411 is a deficient number, since it is larger than the sum of its proper divisors (17314093).

620435411 is a wasteful number, since it uses less digits than its factorization.

620435411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51981.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 620435411 is about 24908.5409247511. The cubic root of 620435411 is about 852.9014622569.

Adding to 620435411 its reverse (114534026), we get a palindrome (734969437).

The spelling of 620435411 in words is "six hundred twenty million, four hundred thirty-five thousand, four hundred eleven".