1894953612 has 24 divisors (see below), whose sum is σ = 4574026800. Its totient is φ = 609870016.

The previous prime is 1894953611. The next prime is 1894953649. The reversal of 1894953612 is 2163594981.

It is not an unprimeable number, because it can be changed into a prime (1894953611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2722287 + ... + 2722982.

It is an arithmetic number, because the mean of its divisors is an integer number (190584450).

Almost surely, 2^1894953612 is an apocalyptic number.

1894953612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1894953612 is an abundant number, since it is smaller than the sum of its proper divisors (2679073188).

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

1894953612 is a wasteful number, since it uses less digits than its factorization.

1894953612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5445305 (or 5445303 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 1894953612 is about 43531.0649077185. The cubic root of 1894953612 is about 1237.4648194876.

The spelling of 1894953612 in words is "one billion, eight hundred ninety-four million, nine hundred fifty-three thousand, six hundred twelve".