2897887932 has 72 divisors (see below), whose sum is σ = 7765613856. Its totient is φ = 908027904.

The previous prime is 2897887907. The next prime is 2897887969. The reversal of 2897887932 is 2397887982.

It is a happy number.

2897887932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2897887932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 599188 + ... + 604004.

It is an arithmetic number, because the mean of its divisors is an integer number (107855748).

Almost surely, 2^2897887932 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 2897887932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3882806928).

2897887932 is an abundant number, since it is smaller than the sum of its proper divisors (4867725924).

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

2897887932 is a wasteful number, since it uses less digits than its factorization.

2897887932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5827 (or 5822 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The square root of 2897887932 is about 53832.0344404705. The cubic root of 2897887932 is about 1425.6968676502.

The spelling of 2897887932 in words is "two billion, eight hundred ninety-seven million, eight hundred eighty-seven thousand, nine hundred thirty-two".