1394493208 has 16 divisors (see below), whose sum is σ = 2617558560. Its totient is φ = 696477600.

The previous prime is 1394493157. The next prime is 1394493223. The reversal of 1394493208 is 8023944931.

It is a super-2 number, since 2×1394493208² = 3889222614316262528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88383 + ... + 102958.

It is an arithmetic number, because the mean of its divisors is an integer number (163597410).

Almost surely, 2^1394493208 is an apocalyptic number.

It is an amenable number.

1394493208 is a deficient number, since it is larger than the sum of its proper divisors (1223065352).

1394493208 is a wasteful number, since it uses less digits than its factorization.

1394493208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192258 (or 192254 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 1394493208 is about 37342.9137588378. The cubic root of 1394493208 is about 1117.2202558553.

The spelling of 1394493208 in words is "one billion, three hundred ninety-four million, four hundred ninety-three thousand, two hundred eight".