1894320 has 80 divisors (see below), whose sum is σ = 6532320. Its totient is φ = 504576.

The previous prime is 1894307. The next prime is 1894337. The reversal of 1894320 is 234981.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1722 + ... + 2598.

It is an arithmetic number, because the mean of its divisors is an integer number (81654).

2^1894320 is an apocalyptic number.

1894320 is a gapful number since it is divisible by the number (10) 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 1894320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3266160).

1894320 is an abundant number, since it is smaller than the sum of its proper divisors (4638000).

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

1894320 is a wasteful number, since it uses less digits than its factorization.

1894320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1894320 is about 1376.3429805103. The cubic root of 1894320 is about 123.7326881201.

The spelling of 1894320 in words is "one million, eight hundred ninety-four thousand, three hundred twenty".