60898139 has 4 divisors (see below), whose sum is σ = 60929856. Its totient is φ = 60866424.

The previous prime is 60898129. The next prime is 60898141. The reversal of 60898139 is 93189806.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60898139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60898139.

It is not an unprimeable number, because it can be changed into a prime (60898129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12779 + ... + 16884.

It is an arithmetic number, because the mean of its divisors is an integer number (15232464).

Almost surely, 2^60898139 is an apocalyptic number.

60898139 is a deficient number, since it is larger than the sum of its proper divisors (31717).

60898139 is a wasteful number, since it uses less digits than its factorization.

60898139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31716.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 60898139 is about 7803.7259690484. The cubic root of 60898139 is about 393.4304839185.

The spelling of 60898139 in words is "sixty million, eight hundred ninety-eight thousand, one hundred thirty-nine".