2897190216 has 192 divisors, whose sum is σ = 8519696640. Its totient is φ = 887040000.

The previous prime is 2897190209. The next prime is 2897190223. The reversal of 2897190216 is 6120917982.

2897190216 is a `hidden beast` number, since 289 + 71 + 90 + 216 = 666.

It is an interprime number because it is at equal distance from previous prime (2897190209) and next prime (2897190223).

It is a super-2 number, since 2×2897190216² = 16787422295372253312, which contains 22 as substring.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 4820316 + ... + 4820916.

It is an arithmetic number, because the mean of its divisors is an integer number (44373420).

Almost surely, 2^2897190216 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 2897190216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4259848320).

2897190216 is an abundant number, since it is smaller than the sum of its proper divisors (5622506424).

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

2897190216 is a wasteful number, since it uses less digits than its factorization.

2897190216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 2897190216 is about 53825.5535596244. The cubic root of 2897190216 is about 1425.5824381781.

The spelling of 2897190216 in words is "two billion, eight hundred ninety-seven million, one hundred ninety thousand, two hundred sixteen".