3198729740 has 24 divisors (see below), whose sum is σ = 6754452432. Its totient is φ = 1272421440.

The previous prime is 3198729731. The next prime is 3198729749. The reversal of 3198729740 is 479278913.

It is an interprime number because it is at equal distance from previous prime (3198729731) and next prime (3198729749).

It is not an unprimeable number, because it can be changed into a prime (3198729749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438194 + ... + 445433.

It is an arithmetic number, because the mean of its divisors is an integer number (281435518).

Almost surely, 2^3198729740 is an apocalyptic number.

It is an amenable number.

3198729740 is an abundant number, since it is smaller than the sum of its proper divisors (3555722692).

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

3198729740 is a wasteful number, since it uses less digits than its factorization.

3198729740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883817 (or 883815 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 3198729740 is about 56557.3137622359. The cubic root of 3198729740 is about 1473.4175870729.

The spelling of 3198729740 in words is "three billion, one hundred ninety-eight million, seven hundred twenty-nine thousand, seven hundred forty".