1894392 has 48 divisors (see below), whose sum is σ = 5208840. Its totient is φ = 621888.

The previous prime is 1894381. The next prime is 1894393. The reversal of 1894392 is 2934981.

It is a super-3 number, since 3×1894392³ = 20395333340145252864, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5818 + ... + 6134.

2^1894392 is an apocalyptic number.

1894392 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 1894392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2604420).

1894392 is an abundant number, since it is smaller than the sum of its proper divisors (3314448).

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

1894392 is a wasteful number, since it uses less digits than its factorization.

1894392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 405 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1894392 is about 1376.3691365328. The cubic root of 1894392 is about 123.7342557258.

The spelling of 1894392 in words is "one million, eight hundred ninety-four thousand, three hundred ninety-two".