60990939 has 6 divisors (see below), whose sum is σ = 88098036. Its totient is φ = 40660620.

The previous prime is 60990907. The next prime is 60990947. The reversal of 60990939 is 93909906.

60990939 is a `hidden beast` number, since 609 + 9 + 0 + 9 + 39 = 666.

It is not a de Polignac number, because 60990939 - 2⁵ = 60990907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 60990894 and 60990903.

It is not an unprimeable number, because it can be changed into a prime (60990949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3388377 + ... + 3388394.

It is an arithmetic number, because the mean of its divisors is an integer number (14683006).

Almost surely, 2^60990939 is an apocalyptic number.

60990939 is a deficient number, since it is larger than the sum of its proper divisors (27107097).

60990939 is a wasteful number, since it uses less digits than its factorization.

60990939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776777 (or 6776774 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 45.

The square root of 60990939 is about 7809.6695832794. The cubic root of 60990939 is about 393.6302263063.

The spelling of 60990939 in words is "sixty million, nine hundred ninety thousand, nine hundred thirty-nine".