620516034 has 48 divisors (see below), whose sum is σ = 1425962304. Its totient is φ = 194594400.

The previous prime is 620516027. The next prime is 620516053. The reversal of 620516034 is 430615026.

620516034 is a `hidden beast` number, since 6 + 2 + 0 + 51 + 603 + 4 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 620515989 and 620516007.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12969 + ... + 37539.

It is an arithmetic number, because the mean of its divisors is an integer number (29707548).

Almost surely, 2^620516034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620516034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712981152).

620516034 is an abundant number, since it is smaller than the sum of its proper divisors (805446270).

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

620516034 is a wasteful number, since it uses less digits than its factorization.

620516034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24663 (or 24660 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 620516034 is about 24910.1592528029. The cubic root of 620516034 is about 852.9384043222.

The spelling of 620516034 in words is "six hundred twenty million, five hundred sixteen thousand, thirty-four".