1992695250 has 384 divisors, whose sum is σ = 6441507072. Its totient is φ = 406425600.

The previous prime is 1992695233. The next prime is 1992695251. The reversal of 1992695250 is 525962991.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1992695250.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992695251) 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 191 ways as a sum of consecutive naturals, for example, 20543202 + ... + 20543298.

It is an arithmetic number, because the mean of its divisors is an integer number (16774758).

Almost surely, 2^1992695250 is an apocalyptic number.

1992695250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1992695250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3220753536).

1992695250 is an abundant number, since it is smaller than the sum of its proper divisors (4448811822).

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

1992695250 is a wasteful number, since it uses less digits than its factorization.

1992695250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 48.

The square root of 1992695250 is about 44639.6152537183. The cubic root of 1992695250 is about 1258.3852772538.

The spelling of 1992695250 in words is "one billion, nine hundred ninety-two million, six hundred ninety-five thousand, two hundred fifty".