1964573028 has 120 divisors (see below), whose sum is σ = 5639962944. Its totient is φ = 591364800.

The previous prime is 1964573011. The next prime is 1964573029. The reversal of 1964573028 is 8203754691.

1964573028 is a `hidden beast` number, since 19 + 64 + 573 + 0 + 2 + 8 = 666.

1964573028 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

1964573028 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964573029) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 557793 + ... + 561303.

It is a 1-persistent number, because it is pandigital, but 2⋅1964573028 = 3929146056 is not.

Almost surely, 2^1964573028 is an apocalyptic number.

1964573028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1964573028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2819981472).

1964573028 is an abundant number, since it is smaller than the sum of its proper divisors (3675389916).

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

1964573028 is a wasteful number, since it uses less digits than its factorization.

1964573028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695 (or 3684 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1964573028 is about 44323.5042387219. The cubic root of 1964573028 is about 1252.4374897986.

The spelling of 1964573028 in words is "one billion, nine hundred sixty-four million, five hundred seventy-three thousand, twenty-eight".