1890996120 has 192 divisors, whose sum is σ = 6760091520. Its totient is φ = 455519232.

The previous prime is 1890996119. The next prime is 1890996131. The reversal of 1890996120 is 216990981.

1890996120 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 215662 + ... + 224258.

It is an arithmetic number, because the mean of its divisors is an integer number (35208810).

Almost surely, 2^1890996120 is an apocalyptic number.

1890996120 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 1890996120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3380045760).

1890996120 is an abundant number, since it is smaller than the sum of its proper divisors (4869095400).

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

1890996120 is a wasteful number, since it uses less digits than its factorization.

1890996120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8674 (or 8667 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The square root of 1890996120 is about 43485.5851978561. The cubic root of 1890996120 is about 1236.6027631540.

The spelling of 1890996120 in words is "one billion, eight hundred ninety million, nine hundred ninety-six thousand, one hundred twenty".