60985620 has 72 divisors (see below), whose sum is σ = 190010184. Its totient is φ = 15821568.

The previous prime is 60985619. The next prime is 60985633. The reversal of 60985620 is 2658906.

60985620 is a `hidden beast` number, since 6 + 0 + 98 + 562 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6874884 + 54110736 = 2622^2 + 7356^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 2082 + ... + 11238.

Almost surely, 2^60985620 is an apocalyptic number.

60985620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60985620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95005092).

60985620 is an abundant number, since it is smaller than the sum of its proper divisors (129024564).

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

60985620 is a wasteful number, since it uses less digits than its factorization.

60985620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9209 (or 9204 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 60985620 is about 7809.3290364794. The cubic root of 60985620 is about 393.6187831855.

The spelling of 60985620 in words is "sixty million, nine hundred eighty-five thousand, six hundred twenty".