3928831950 has 48 divisors (see below), whose sum is σ = 9866868480. Its totient is φ = 1034423520.

The previous prime is 3928831901. The next prime is 3928831969. The reversal of 3928831950 is 591388293.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3928831950.

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 23 ways as a sum of consecutive naturals, for example, 153924 + ... + 177623.

It is an arithmetic number, because the mean of its divisors is an integer number (205559760).

Almost surely, 2^3928831950 is an apocalyptic number.

3928831950 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3928831950 is an abundant number, since it is smaller than the sum of its proper divisors (5938036530).

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

3928831950 is a wasteful number, since it uses less digits than its factorization.

3928831950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331641 (or 331636 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 3928831950 is about 62680.3952604002. The cubic root of 3928831950 is about 1577.9303069035.

The spelling of 3928831950 in words is "three billion, nine hundred twenty-eight million, eight hundred thirty-one thousand, nine hundred fifty".