60985819 has 4 divisors (see below), whose sum is σ = 62473320. Its totient is φ = 59498320.

The previous prime is 60985777. The next prime is 60985823. The reversal of 60985819 is 91858906.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91858906 = 2 ⋅45929453.

It is a cyclic number.

It is not a de Polignac number, because 60985819 - 2¹³ = 60977627 is a prime.

It is a super-2 number, since 2×60985819² = 7438540238201522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60985829) 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, 743689 + ... + 743770.

It is an arithmetic number, because the mean of its divisors is an integer number (15618330).

Almost surely, 2^60985819 is an apocalyptic number.

60985819 is a deficient number, since it is larger than the sum of its proper divisors (1487501).

60985819 is a wasteful number, since it uses less digits than its factorization.

60985819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487500.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 60985819 is about 7809.3417776404. The cubic root of 60985819 is about 393.6192113195.

The spelling of 60985819 in words is "sixty million, nine hundred eighty-five thousand, eight hundred nineteen".