1393959934 has 32 divisors (see below), whose sum is σ = 2171473920. Its totient is φ = 670721952.

The previous prime is 1393959913. The next prime is 1393959949. The reversal of 1393959934 is 4399593931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2909907 + ... + 2910385.

It is an arithmetic number, because the mean of its divisors is an integer number (67858560).

Almost surely, 2^1393959934 is an apocalyptic number.

1393959934 is a deficient number, since it is larger than the sum of its proper divisors (777513986).

1393959934 is a wasteful number, since it uses less digits than its factorization.

1393959934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984.

The product of its digits is 3542940, while the sum is 55.

The square root of 1393959934 is about 37335.7728458914. The cubic root of 1393959934 is about 1117.0778240688.

The spelling of 1393959934 in words is "one billion, three hundred ninety-three million, nine hundred fifty-nine thousand, nine hundred thirty-four".