60000990 has 112 divisors (see below), whose sum is σ = 177885072. Its totient is φ = 12907776.

The previous prime is 60000989. The next prime is 60000991. The reversal of 60000990 is 9900006.

It is an interprime number because it is at equal distance from previous prime (60000989) and next prime (60000991).

60000990 is a modest number, since divided by 990 gives 60 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 60000990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60000991) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3529462 + ... + 3529478.

Almost surely, 2^60000990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60000990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88942536).

60000990 is an abundant number, since it is smaller than the sum of its proper divisors (117884082).

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

60000990 is an frugal number, since it uses more digits than its factorization.

60000990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 60000990 is about 7746.0305963764. The cubic root of 60000990 is about 391.4889172822.

Adding to 60000990 its reverse (9900006), we get a palindrome (69900996).

The spelling of 60000990 in words is "sixty million, nine hundred ninety", and thus it is an aban number.