1964484 has 36 divisors (see below), whose sum is σ = 5009004. Its totient is φ = 649152.

The previous prime is 1964483. The next prime is 1964531. The reversal of 1964484 is 4844691.

It is a happy number.

1964484 is a `hidden beast` number, since 1 + 9 + 644 + 8 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1258884 + 705600 = 1122^2 + 840^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1964483) 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 11 ways as a sum of consecutive naturals, for example, 6954 + ... + 7230.

It is an arithmetic number, because the mean of its divisors is an integer number (139139).

2^1964484 is an apocalyptic number.

It is an amenable number.

1964484 is an abundant number, since it is smaller than the sum of its proper divisors (3044520).

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

1964484 is a wasteful number, since it uses less digits than its factorization.

1964484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 479 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 1964484 is about 1401.6005136985. The cubic root of 1964484 is about 125.2418570728.

The spelling of 1964484 in words is "one million, nine hundred sixty-four thousand, four hundred eighty-four".