1384668 has 24 divisors (see below), whose sum is σ = 3590160. Its totient is φ = 461520.

The previous prime is 1384661. The next prime is 1384673. The reversal of 1384668 is 8664831.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384661) 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, 6303 + ... + 6518.

It is an arithmetic number, because the mean of its divisors is an integer number (149590).

2^1384668 is an apocalyptic number.

1384668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1384668 is an abundant number, since it is smaller than the sum of its proper divisors (2205492).

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

1384668 is a wasteful number, since it uses less digits than its factorization.

1384668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12834 (or 12826 counting only the distinct ones).

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

The square root of 1384668 is about 1176.7191678561. The cubic root of 1384668 is about 111.4590195744.

It can be divided in two parts, 13 and 84668, that added together give a square (84681 = 291²).

The spelling of 1384668 in words is "one million, three hundred eighty-four thousand, six hundred sixty-eight".