34320660 has 96 divisors (see below), whose sum is σ = 105840000. Its totient is φ = 8240640.

The previous prime is 34320641. The next prime is 34320673. The reversal of 34320660 is 6602343.

It is a self number, because there is not a number n which added to its sum of digits gives 34320660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98166 + ... + 98514.

It is an arithmetic number, because the mean of its divisors is an integer number (1102500).

Almost surely, 2^34320660 is an apocalyptic number.

34320660 is a gapful number since it is divisible by the number (30) 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 34320660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52920000).

34320660 is an abundant number, since it is smaller than the sum of its proper divisors (71519340).

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

34320660 is a wasteful number, since it uses less digits than its factorization.

34320660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 34320660 is about 5858.3837361511. The cubic root of 34320660 is about 324.9764401067.

It can be divided in two parts, 34320 and 660, that added together give a triangular number (34980 = T₂₆₄).

The spelling of 34320660 in words is "thirty-four million, three hundred twenty thousand, six hundred sixty".