1608693396 has 24 divisors (see below), whose sum is σ = 3792317760. Its totient is φ = 530702592.

The previous prime is 1608693389. The next prime is 1608693397. The reversal of 1608693396 is 6933968061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608693397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689856 + ... + 692183.

It is an arithmetic number, because the mean of its divisors is an integer number (158013240).

Almost surely, 2^1608693396 is an apocalyptic number.

It is an amenable number.

1608693396 is an abundant number, since it is smaller than the sum of its proper divisors (2183624364).

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

1608693396 is a wasteful number, since it uses less digits than its factorization.

1608693396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382143 (or 1382141 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 51.

The square root of 1608693396 is about 40108.5202419636. The cubic root of 1608693396 is about 1171.7215739888.

The spelling of 1608693396 in words is "one billion, six hundred eight million, six hundred ninety-three thousand, three hundred ninety-six".