3161648 has 20 divisors (see below), whose sum is σ = 7001040. Its totient is φ = 1354944.

The previous prime is 3161647. The next prime is 3161651. The reversal of 3161648 is 8461613.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3161648.

It is not an unprimeable number, because it can be changed into a prime (3161647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14003 + ... + 14226.

It is an arithmetic number, because the mean of its divisors is an integer number (350052).

Almost surely, 2^3161648 is an apocalyptic number.

It is an amenable number.

3161648 is an abundant number, since it is smaller than the sum of its proper divisors (3839392).

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

3161648 is a wasteful number, since it uses less digits than its factorization.

3161648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28244 (or 28238 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 3161648 is about 1778.1023592583. The cubic root of 3161648 is about 146.7701840368.

The spelling of 3161648 in words is "three million, one hundred sixty-one thousand, six hundred forty-eight".