1393909896 has 16 divisors (see below), whose sum is σ = 3484774800. Its totient is φ = 464636624.

The previous prime is 1393909889. The next prime is 1393909897. The reversal of 1393909896 is 6989093931.

It is not an unprimeable number, because it can be changed into a prime (1393909897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29039766 + ... + 29039813.

It is an arithmetic number, because the mean of its divisors is an integer number (217798425).

Almost surely, 2^1393909896 is an apocalyptic number.

It is an amenable number.

1393909896 is an abundant number, since it is smaller than the sum of its proper divisors (2090864904).

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

1393909896 is a wasteful number, since it uses less digits than its factorization.

1393909896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58079588 (or 58079584 counting only the distinct ones).

The product of its (nonzero) digits is 2834352, while the sum is 57.

The square root of 1393909896 is about 37335.1027318796. The cubic root of 1393909896 is about 1117.0644575897.

The spelling of 1393909896 in words is "one billion, three hundred ninety-three million, nine hundred nine thousand, eight hundred ninety-six".