1028211952 has 20 divisors (see below), whose sum is σ = 2109347136. Its totient is φ = 483864320.

The previous prime is 1028211911. The next prime is 1028211953. The reversal of 1028211952 is 2591128201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028211953) 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, 1889824 + ... + 1890367.

Almost surely, 2^1028211952 is an apocalyptic number.

It is an amenable number.

1028211952 is an abundant number, since it is smaller than the sum of its proper divisors (1081135184).

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

1028211952 is a wasteful number, since it uses less digits than its factorization.

1028211952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780216 (or 3780210 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 1028211952 is about 32065.7442140363. The cubic root of 1028211952 is about 1009.3169096111.

The spelling of 1028211952 in words is "one billion, twenty-eight million, two hundred eleven thousand, nine hundred fifty-two".