1936793820 has 192 divisors, whose sum is σ = 6076514304. Its totient is φ = 457712640.

The previous prime is 1936793819. The next prime is 1936793843. The reversal of 1936793820 is 283976391.

It is a self number, because there is not a number n which added to its sum of digits gives 1936793820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4182909 + ... + 4183371.

It is an arithmetic number, because the mean of its divisors is an integer number (31648512).

Almost surely, 2^1936793820 is an apocalyptic number.

1936793820 is a gapful number since it is divisible by the number (10) 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 1936793820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3038257152).

1936793820 is an abundant number, since it is smaller than the sum of its proper divisors (4139720484).

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

1936793820 is a wasteful number, since it uses less digits than its factorization.

1936793820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 1936793820 is about 44009.0197573179. The cubic root of 1936793820 is about 1246.5062590504.

The spelling of 1936793820 in words is "one billion, nine hundred thirty-six million, seven hundred ninety-three thousand, eight hundred twenty".