1964028428 has 12 divisors (see below), whose sum is σ = 3639229272. Its totient is φ = 924248640.

The previous prime is 1964028421. The next prime is 1964028431. The reversal of 1964028428 is 8248204691.

It is not an unprimeable number, because it can be changed into a prime (1964028421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14441318 + ... + 14441453.

It is an arithmetic number, because the mean of its divisors is an integer number (303269106).

Almost surely, 2^1964028428 is an apocalyptic number.

It is an amenable number.

1964028428 is a deficient number, since it is larger than the sum of its proper divisors (1675200844).

1964028428 is a wasteful number, since it uses less digits than its factorization.

1964028428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28882792 (or 28882790 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 1964028428 is about 44317.3603455802. The cubic root of 1964028428 is about 1252.3217495532.

The spelling of 1964028428 in words is "one billion, nine hundred sixty-four million, twenty-eight thousand, four hundred twenty-eight".