60831985 has 8 divisors (see below), whose sum is σ = 73040256. Its totient is φ = 48637680.

The previous prime is 60831943. The next prime is 60832003. The reversal of 60831985 is 58913806.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-60831985 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, 15250 + ... + 18820.

It is an arithmetic number, because the mean of its divisors is an integer number (9130032).

Almost surely, 2^60831985 is an apocalyptic number.

It is an amenable number.

60831985 is a deficient number, since it is larger than the sum of its proper divisors (12208271).

60831985 is a wasteful number, since it uses less digits than its factorization.

60831985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6983.

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

The square root of 60831985 is about 7799.4862010263. The cubic root of 60831985 is about 393.2879703662.

It can be divided in two parts, 60831 and 985, that added together give a palindrome (61816).

The spelling of 60831985 in words is "sixty million, eight hundred thirty-one thousand, nine hundred eighty-five".