2897383957 has 8 divisors (see below), whose sum is σ = 3122290584. Its totient is φ = 2672767488.

The previous prime is 2897383927. The next prime is 2897383963. The reversal of 2897383957 is 7593837982.

It can be written as a sum of positive squares in 4 ways, for example, as 8213956 + 2889170001 = 2866^2 + 53751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2897383957 - 2¹⁵ = 2897351189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2897383895 and 2897383904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897383927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51568 + ... + 91945.

It is an arithmetic number, because the mean of its divisors is an integer number (390286323).

Almost surely, 2^2897383957 is an apocalyptic number.

It is an amenable number.

2897383957 is a deficient number, since it is larger than the sum of its proper divisors (224906627).

2897383957 is a wasteful number, since it uses less digits than its factorization.

2897383957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145079.

The product of its digits is 22861440, while the sum is 61.

The square root of 2897383957 is about 53827.3532416373. The cubic root of 2897383957 is about 1425.6142146684.

The spelling of 2897383957 in words is "two billion, eight hundred ninety-seven million, three hundred eighty-three thousand, nine hundred fifty-seven".