60391947 has 24 divisors (see below), whose sum is σ = 101156608. Its totient is φ = 31371120.

The previous prime is 60391927. The next prime is 60391957. The reversal of 60391947 is 74919306.

It is not a de Polignac number, because 60391947 - 2⁸ = 60391691 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (60391907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9343 + ... + 14424.

Almost surely, 2^60391947 is an apocalyptic number.

60391947 is a deficient number, since it is larger than the sum of its proper divisors (40764661).

60391947 is a wasteful number, since it uses less digits than its factorization.

60391947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23799 (or 23788 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 60391947 is about 7771.2255790191. The cubic root of 60391947 is about 392.3373705197.

The spelling of 60391947 in words is "sixty million, three hundred ninety-one thousand, nine hundred forty-seven".