1964616 has 32 divisors (see below), whose sum is σ = 4963200. Its totient is φ = 648000.

The previous prime is 1964603. The next prime is 1964617. The reversal of 1964616 is 6164691.

It is not an unprimeable number, because it can be changed into a prime (1964617) 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, 2241 + ... + 2991.

It is an arithmetic number, because the mean of its divisors is an integer number (155100).

2^1964616 is an apocalyptic number.

It is an amenable number.

1964616 is an abundant number, since it is smaller than the sum of its proper divisors (2998584).

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

1964616 is a wasteful number, since it uses less digits than its factorization.

1964616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 865 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 1964616 is about 1401.6476019314. The cubic root of 1964616 is about 125.2446621444.

The spelling of 1964616 in words is "one million, nine hundred sixty-four thousand, six hundred sixteen".