1964845960 has 64 divisors (see below), whose sum is σ = 5511784320. Its totient is φ = 612418560.

The previous prime is 1964845931. The next prime is 1964845973. The reversal of 1964845960 is 695484691.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1964845898 and 1964845907.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315889 + ... + 322048.

It is an arithmetic number, because the mean of its divisors is an integer number (86121630).

Almost surely, 2^1964845960 is an apocalyptic number.

1964845960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1964845960 is an abundant number, since it is smaller than the sum of its proper divisors (3546938360).

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

1964845960 is a wasteful number, since it uses less digits than its factorization.

1964845960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637966 (or 637962 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 1964845960 is about 44326.5829948576. The cubic root of 1964845960 is about 1252.4954861903.

The spelling of 1964845960 in words is "one billion, nine hundred sixty-four million, eight hundred forty-five thousand, nine hundred sixty".