1397184 has 56 divisors (see below), whose sum is σ = 3901440. Its totient is φ = 440064.

The previous prime is 1397177. The next prime is 1397189. The reversal of 1397184 is 4817931.

1397184 = 390² + 391² + ... + 398².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397189) 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, 3457 + ... + 3839.

2^1397184 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 1397184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1950720).

1397184 is an abundant number, since it is smaller than the sum of its proper divisors (2504256).

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

1397184 is a wasteful number, since it uses less digits than its factorization.

1397184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 407 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 1397184 is about 1182.0253804382. The cubic root of 1397184 is about 111.7938384325.

The spelling of 1397184 in words is "one million, three hundred ninety-seven thousand, one hundred eighty-four".