1239939246 has 64 divisors (see below), whose sum is σ = 3184892928. Its totient is φ = 312795648.

The previous prime is 1239939203. The next prime is 1239939277. The reversal of 1239939246 is 6429399321.

It is a junction number, because it is equal to n+sod(n) for n = 1239939195 and 1239939204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36811 + ... + 61926.

It is an arithmetic number, because the mean of its divisors is an integer number (49763952).

Almost surely, 2^1239939246 is an apocalyptic number.

1239939246 is an abundant number, since it is smaller than the sum of its proper divisors (1944953682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1239939246 is a wasteful number, since it uses less digits than its factorization.

1239939246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98785.

The product of its digits is 629856, while the sum is 48.

The square root of 1239939246 is about 35212.7710639194. The cubic root of 1239939246 is about 1074.3195249297.

The spelling of 1239939246 in words is "one billion, two hundred thirty-nine million, nine hundred thirty-nine thousand, two hundred forty-six".