3979692828 has 144 divisors (see below), whose sum is σ = 10725851136. Its totient is φ = 1242138240.

The previous prime is 3979692811. The next prime is 3979692833. The reversal of 3979692828 is 8282969793.

Its product of digits (23514624) is a multiple of the sum of its prime factors (864).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 6094150 + ... + 6094802.

Almost surely, 2^3979692828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3979692828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5362925568).

3979692828 is an abundant number, since it is smaller than the sum of its proper divisors (6746158308).

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

3979692828 is a wasteful number, since it uses less digits than its factorization.

3979692828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 859 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 3979692828 is about 63084.8066336103. The cubic root of 3979692828 is about 1584.7101909868.

The spelling of 3979692828 in words is "three billion, nine hundred seventy-nine million, six hundred ninety-two thousand, eight hundred twenty-eight".