1894141392 has 160 divisors (see below), whose sum is σ = 5804628480. Its totient is φ = 524674560.

The previous prime is 1894141391. The next prime is 1894141397. The reversal of 1894141392 is 2931414981.

It is a super-2 number, since 2×1894141392² = 7175543225775395328, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894141391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 733159 + ... + 735737.

It is an arithmetic number, because the mean of its divisors is an integer number (36278928).

Almost surely, 2^1894141392 is an apocalyptic number.

1894141392 is a gapful number since it is divisible by the number (12) 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 1894141392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2902314240).

1894141392 is an abundant number, since it is smaller than the sum of its proper divisors (3910487088).

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

1894141392 is a wasteful number, since it uses less digits than its factorization.

1894141392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721 (or 2715 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 1894141392 is about 43521.7347080743. The cubic root of 1894141392 is about 1237.2879924129.

The spelling of 1894141392 in words is "one billion, eight hundred ninety-four million, one hundred forty-one thousand, three hundred ninety-two".