1906925320 has 64 divisors (see below), whose sum is σ = 4464230400. Its totient is φ = 732291840.

The previous prime is 1906925311. The next prime is 1906925323. The reversal of 1906925320 is 235296091.

It is a self number, because there is not a number n which added to its sum of digits gives 1906925320.

It is not an unprimeable number, because it can be changed into a prime (1906925323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151426 + ... + 163534.

It is an arithmetic number, because the mean of its divisors is an integer number (69753600).

Almost surely, 2^1906925320 is an apocalyptic number.

1906925320 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 1906925320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2232115200).

1906925320 is an abundant number, since it is smaller than the sum of its proper divisors (2557305080).

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

1906925320 is a wasteful number, since it uses less digits than its factorization.

1906925320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12278 (or 12274 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 1906925320 is about 43668.3560487454. The cubic root of 1906925320 is about 1240.0653191398.

The spelling of 1906925320 in words is "one billion, nine hundred six million, nine hundred twenty-five thousand, three hundred twenty".