1954464984 has 64 divisors (see below), whose sum is σ = 5444661600. Its totient is φ = 649617408.

The previous prime is 1954464983. The next prime is 1954465031. The reversal of 1954464984 is 4894644591.

1954464984 is a `hidden beast` number, since 1 + 9 + 544 + 6 + 4 + 98 + 4 = 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 1954464984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954464983) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 63432 + ... + 89064.

Almost surely, 2^1954464984 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 1954464984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2722330800).

1954464984 is an abundant number, since it is smaller than the sum of its proper divisors (3490196616).

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

1954464984 is a wasteful number, since it uses less digits than its factorization.

1954464984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26001 (or 25991 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 1954464984 is about 44209.3314131757. The cubic root of 1954464984 is about 1250.2857979040.

The spelling of 1954464984 in words is "one billion, nine hundred fifty-four million, four hundred sixty-four thousand, nine hundred eighty-four".