1892948380 has 24 divisors (see below), whose sum is σ = 3986467632. Its totient is φ = 755031552.

The previous prime is 1892948339. The next prime is 1892948399. The reversal of 1892948380 is 838492981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127002 + ... + 141121.

It is an arithmetic number, because the mean of its divisors is an integer number (166102818).

Almost surely, 2^1892948380 is an apocalyptic number.

1892948380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1892948380 is an abundant number, since it is smaller than the sum of its proper divisors (2093519252).

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

1892948380 is a wasteful number, since it uses less digits than its factorization.

1892948380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268485 (or 268483 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 1892948380 is about 43508.0266157867. The cubic root of 1892948380 is about 1237.0281720635.

The spelling of 1892948380 in words is "one billion, eight hundred ninety-two million, nine hundred forty-eight thousand, three hundred eighty".