1894464 has 168 divisors, whose sum is σ = 6656832. Its totient is φ = 506880.

The previous prime is 1894439. The next prime is 1894481. The reversal of 1894464 is 4644981.

It is a happy number.

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 nialpdrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82357 + ... + 82379.

It is an arithmetic number, because the mean of its divisors is an integer number (39624).

2^1894464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1894464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3328416).

1894464 is an abundant number, since it is smaller than the sum of its proper divisors (4762368).

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

1894464 is a wasteful number, since it uses less digits than its factorization.

1894464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 52 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 1894464 is about 1376.3952920582. The cubic root of 1894464 is about 123.7358232918.

The spelling of 1894464 in words is "one million, eight hundred ninety-four thousand, four hundred sixty-four".