620410804 has 48 divisors (see below), whose sum is σ = 1216771920. Its totient is φ = 274821120.

The previous prime is 620410789. The next prime is 620410823. The reversal of 620410804 is 408014026.

It can be written as a sum of positive squares in 8 ways, for example, as 53875600 + 566535204 = 7340^2 + 23802^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271812 + ... + 274084.

It is an arithmetic number, because the mean of its divisors is an integer number (25349415).

Almost surely, 2^620410804 is an apocalyptic number.

It is an amenable number.

620410804 is a deficient number, since it is larger than the sum of its proper divisors (596361116).

620410804 is a wasteful number, since it uses less digits than its factorization.

620410804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500 (or 2498 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 620410804 is about 24908.0469728158. The cubic root of 620410804 is about 852.8901865069.

The spelling of 620410804 in words is "six hundred twenty million, four hundred ten thousand, eight hundred four".