1964613 has 8 divisors (see below), whose sum is σ = 2993728. Its totient is φ = 1122624.

The previous prime is 1964603. The next prime is 1964617. The reversal of 1964613 is 3164691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1964613 - 2⁶ = 1964549 is a prime.

It is a Duffinian number.

1964613 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46756 + ... + 46797.

It is an arithmetic number, because the mean of its divisors is an integer number (374216).

2^1964613 is an apocalyptic number.

It is an amenable number.

1964613 is a deficient number, since it is larger than the sum of its proper divisors (1029115).

1964613 is an equidigital number, since it uses as much as digits as its factorization.

1964613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93563.

The product of its digits is 3888, while the sum is 30.

The square root of 1964613 is about 1401.6465317618. The cubic root of 1964613 is about 125.2445983941.

The spelling of 1964613 in words is "one million, nine hundred sixty-four thousand, six hundred thirteen".