1964965 has 8 divisors (see below), whose sum is σ = 2373408. Its totient is φ = 1561680.

The previous prime is 1964951. The next prime is 1964969. The reversal of 1964965 is 5694691.

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

It is not a de Polignac number, because 1964965 - 2¹⁵ = 1932197 is a prime.

It is a super-2 number, since 2×1964965² = 7722174902450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964969) 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, 391 + ... + 2020.

It is an arithmetic number, because the mean of its divisors is an integer number (296676).

2^1964965 is an apocalyptic number.

It is an amenable number.

1964965 is a deficient number, since it is larger than the sum of its proper divisors (408443).

1964965 is a wasteful number, since it uses less digits than its factorization.

1964965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579.

The product of its digits is 58320, while the sum is 40.

The square root of 1964965 is about 1401.7720927455. The cubic root of 1964965 is about 125.2520779785.

The spelling of 1964965 in words is "one million, nine hundred sixty-four thousand, nine hundred sixty-five".