60891385 has 8 divisors (see below), whose sum is σ = 73793736. Its totient is φ = 48230400.

The previous prime is 60891379. The next prime is 60891401. The reversal of 60891385 is 58319806.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8357881 + 52533504 = 2891^2 + 7248^2 .

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

It is not a de Polignac number, because 60891385 - 2³ = 60891377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59784 + ... + 60793.

It is an arithmetic number, because the mean of its divisors is an integer number (9224217).

Almost surely, 2^60891385 is an apocalyptic number.

It is an amenable number.

60891385 is a deficient number, since it is larger than the sum of its proper divisors (12902351).

60891385 is a wasteful number, since it uses less digits than its factorization.

60891385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120683.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 60891385 is about 7803.2932150471. The cubic root of 60891385 is about 393.4159387136.

The spelling of 60891385 in words is "sixty million, eight hundred ninety-one thousand, three hundred eighty-five".