60399947 has 4 divisors (see below), whose sum is σ = 62032416. Its totient is φ = 58767480.

The previous prime is 60399931. The next prime is 60399959. The reversal of 60399947 is 74999306.

60399947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 60399947 - 2⁴ = 60399931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60399247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816179 + ... + 816252.

It is an arithmetic number, because the mean of its divisors is an integer number (15508104).

Almost surely, 2^60399947 is an apocalyptic number.

60399947 is a deficient number, since it is larger than the sum of its proper divisors (1632469).

60399947 is a wasteful number, since it uses less digits than its factorization.

60399947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632468.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 60399947 is about 7771.7402813012. The cubic root of 60399947 is about 392.3546938028.

The spelling of 60399947 in words is "sixty million, three hundred ninety-nine thousand, nine hundred forty-seven".