60028661 has 8 divisors (see below), whose sum is σ = 74841024. Its totient is φ = 46775520.

The previous prime is 60028627. The next prime is 60028669. The reversal of 60028661 is 16682006.

60028661 = 921² + 922² + ... + 986².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 60028661 - 2²² = 55834357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60028669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389720 + ... + 389873.

It is an arithmetic number, because the mean of its divisors is an integer number (9355128).

Almost surely, 2^60028661 is an apocalyptic number.

It is an amenable number.

60028661 is a deficient number, since it is larger than the sum of its proper divisors (14812363).

60028661 is a wasteful number, since it uses less digits than its factorization.

60028661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779611.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 60028661 is about 7747.8165311267. The cubic root of 60028661 is about 391.5490897614.

The spelling of 60028661 in words is "sixty million, twenty-eight thousand, six hundred sixty-one".