620435404 has 24 divisors (see below), whose sum is σ = 1095217200. Its totient is φ = 307525056.

The previous prime is 620435401. The next prime is 620435407. The reversal of 620435404 is 404534026.

It is an interprime number because it is at equal distance from previous prime (620435401) and next prime (620435407).

It is not an unprimeable number, because it can be changed into a prime (620435401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522099 + ... + 523285.

It is an arithmetic number, because the mean of its divisors is an integer number (45634050).

Almost surely, 2^620435404 is an apocalyptic number.

It is an amenable number.

620435404 is a deficient number, since it is larger than the sum of its proper divisors (474781796).

620435404 is a wasteful number, since it uses less digits than its factorization.

620435404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217 (or 2215 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 620435404 is about 24908.5407842370. The cubic root of 620435404 is about 852.9014590493.

The spelling of 620435404 in words is "six hundred twenty million, four hundred thirty-five thousand, four hundred four".