2917898 has 8 divisors (see below), whose sum is σ = 4390308. Its totient is φ = 1454464.

The previous prime is 2917891. The next prime is 2917909. The reversal of 2917898 is 8987192.

It can be written as a sum of positive squares in 2 ways, for example, as 2900209 + 17689 = 1703^2 + 133^2 .

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

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2917891) 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, 1361 + ... + 2772.

2^2917898 is an apocalyptic number.

2917898 is a deficient number, since it is larger than the sum of its proper divisors (1472410).

2917898 is a wasteful number, since it uses less digits than its factorization.

2917898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488.

The product of its digits is 72576, while the sum is 44.

The square root of 2917898 is about 1708.1855871070. The cubic root of 2917898 is about 142.8970847362.

The spelling of 2917898 in words is "two million, nine hundred seventeen thousand, eight hundred ninety-eight".