1964738484 has 96 divisors (see below), whose sum is σ = 5458803840. Its totient is φ = 608914944.

The previous prime is 1964738471. The next prime is 1964738507. The reversal of 1964738484 is 4848374691.

1964738484 is a `hidden beast` number, since 1 + 96 + 4 + 73 + 8 + 484 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1964738484.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145942 + ... + 158834.

It is an arithmetic number, because the mean of its divisors is an integer number (56862540).

Almost surely, 2^1964738484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1964738484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2729401920).

1964738484 is an abundant number, since it is smaller than the sum of its proper divisors (3494065356).

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

1964738484 is a wasteful number, since it uses less digits than its factorization.

1964738484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13006 (or 12998 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 1964738484 is about 44325.3706583487. The cubic root of 1964738484 is about 1252.4726488344.

The spelling of 1964738484 in words is "one billion, nine hundred sixty-four million, seven hundred thirty-eight thousand, four hundred eighty-four".