620360406 has 24 divisors (see below), whose sum is σ = 1387473984. Its totient is φ = 200116080.

The previous prime is 620360387. The next prime is 620360453. The reversal of 620360406 is 604063026.

620360406 is a `hidden beast` number, since 620 + 36 + 0 + 4 + 0 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 620360406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555321 + ... + 556436.

It is an arithmetic number, because the mean of its divisors is an integer number (57811416).

Almost surely, 2^620360406 is an apocalyptic number.

620360406 is an abundant number, since it is smaller than the sum of its proper divisors (767113578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620360406 is a wasteful number, since it uses less digits than its factorization.

620360406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111796 (or 1111793 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 620360406 is about 24907.0352711839. The cubic root of 620360406 is about 852.8670915279.

The spelling of 620360406 in words is "six hundred twenty million, three hundred sixty thousand, four hundred six".