1394208 has 72 divisors (see below), whose sum is σ = 4088448. Its totient is φ = 450432.

The previous prime is 1394177. The next prime is 1394209. The reversal of 1394208 is 8024931.

It is a tau number, because it is divible by the number of its divisors (72).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1394209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13485 + ... + 13587.

It is an arithmetic number, because the mean of its divisors is an integer number (56784).

2^1394208 is an apocalyptic number.

1394208 is a gapful number since it is divisible by the number (18) 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 1394208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2044224).

1394208 is an abundant number, since it is smaller than the sum of its proper divisors (2694240).

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

1394208 is a wasteful number, since it uses less digits than its factorization.

1394208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 155 counting only the distinct ones).

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

The square root of 1394208 is about 1180.7658531648. The cubic root of 1394208 is about 111.7144084364.

The spelling of 1394208 in words is "one million, three hundred ninety-four thousand, two hundred eight".