60338640 has 80 divisors (see below), whose sum is σ = 189737856. Its totient is φ = 15859200.

The previous prime is 60338639. The next prime is 60338653. The reversal of 60338640 is 4683306.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 60338598 and 60338607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15270 + ... + 18810.

Almost surely, 2^60338640 is an apocalyptic number.

60338640 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 60338640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94868928).

60338640 is an abundant number, since it is smaller than the sum of its proper divisors (129399216).

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

60338640 is a wasteful number, since it uses less digits than its factorization.

60338640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628 (or 3622 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 60338640 is about 7767.7950539391. The cubic root of 60338640 is about 392.2218999101.

The spelling of 60338640 in words is "sixty million, three hundred thirty-eight thousand, six hundred forty".