60820308 has 60 divisors (see below), whose sum is σ = 164504340. Its totient is φ = 19571328.

The previous prime is 60820307. The next prime is 60820313. The reversal of 60820308 is 80302806.

60820308 is a `hidden beast` number, since 608 + 20 + 30 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20903184 + 39917124 = 4572^2 + 6318^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60820307) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6160 + ... + 12632.

It is an arithmetic number, because the mean of its divisors is an integer number (2741739).

Almost surely, 2^60820308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60820308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82252170).

60820308 is an abundant number, since it is smaller than the sum of its proper divisors (103684032).

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

60820308 is a wasteful number, since it uses less digits than its factorization.

60820308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518 (or 6507 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 60820308 is about 7798.7375901488. The cubic root of 60820308 is about 393.2628042330.

The spelling of 60820308 in words is "sixty million, eight hundred twenty thousand, three hundred eight".