1976067828 has 144 divisors (see below), whose sum is σ = 6105625344. Its totient is φ = 526003200.

The previous prime is 1976067817. The next prime is 1976067829. The reversal of 1976067828 is 8287606791.

1976067828 is a `hidden beast` number, since 1 + 9 + 7 + 606 + 7 + 8 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1976067829) 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 47 ways as a sum of consecutive naturals, for example, 430401 + ... + 434967.

It is an arithmetic number, because the mean of its divisors is an integer number (42400176).

Almost surely, 2^1976067828 is an apocalyptic number.

1976067828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1976067828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3052812672).

1976067828 is an abundant number, since it is smaller than the sum of its proper divisors (4129557516).

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

1976067828 is a wasteful number, since it uses less digits than its factorization.

1976067828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4702 (or 4697 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 1976067828 is about 44452.9844667374. The cubic root of 1976067828 is about 1254.8754294011.

The spelling of 1976067828 in words is "one billion, nine hundred seventy-six million, sixty-seven thousand, eight hundred twenty-eight".