1394384 has 10 divisors (see below), whose sum is σ = 2701650. Its totient is φ = 697184.

The previous prime is 1394383. The next prime is 1394389. The reversal of 1394384 is 4834931.

It can be written as a sum of positive squares in only one way, i.e., 1000000 + 394384 = 1000^2 + 628^2 .

It is a super-3 number, since 3×1394384³ = 8133330625768845312, which contains 333 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1394384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43559 + ... + 43590.

It is an arithmetic number, because the mean of its divisors is an integer number (270165).

2^1394384 is an apocalyptic number.

It is an amenable number.

1394384 is a deficient number, since it is larger than the sum of its proper divisors (1307266).

1394384 is an equidigital number, since it uses as much as digits as its factorization.

1394384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87157 (or 87151 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 1394384 is about 1180.8403787134. The cubic root of 1394384 is about 111.7191090523.

The spelling of 1394384 in words is "one million, three hundred ninety-four thousand, three hundred eighty-four".