1393690416 has 40 divisors (see below), whose sum is σ = 3606678384. Its totient is φ = 463749120.

The previous prime is 1393690393. The next prime is 1393690457. The reversal of 1393690416 is 6140963931.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2536 + ... + 52856.

Almost surely, 2^1393690416 is an apocalyptic number.

1393690416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1393690416 is an abundant number, since it is smaller than the sum of its proper divisors (2212987968).

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

1393690416 is a wasteful number, since it uses less digits than its factorization.

1393690416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50909 (or 50903 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 1393690416 is about 37332.1632911890. The cubic root of 1393690416 is about 1117.0058248720.

The spelling of 1393690416 in words is "one billion, three hundred ninety-three million, six hundred ninety thousand, four hundred sixteen".