1892723252 has 12 divisors (see below), whose sum is σ = 3785446560. Its totient is φ = 811167096.

The previous prime is 1892723249. The next prime is 1892723263. The reversal of 1892723252 is 2523272981.

1892723252 is an admirable number.

It is a super-2 number, since 2×1892723252² = 7164802617322911008, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33798602 + ... + 33798657.

It is an arithmetic number, because the mean of its divisors is an integer number (315453880).

Almost surely, 2^1892723252 is an apocalyptic number.

It is an amenable number.

1892723252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1892723252 is a wasteful number, since it uses less digits than its factorization.

1892723252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67597270 (or 67597268 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 1892723252 is about 43505.4393380874. The cubic root of 1892723252 is about 1236.9791302755.

The spelling of 1892723252 in words is "one billion, eight hundred ninety-two million, seven hundred twenty-three thousand, two hundred fifty-two".