2898981 has 6 divisors (see below), whose sum is σ = 4187430. Its totient is φ = 1932648.

The previous prime is 2898979. The next prime is 2898983. The reversal of 2898981 is 1898982.

It is an interprime number because it is at equal distance from previous prime (2898979) and next prime (2898983).

It can be written as a sum of positive squares in only one way, i.e., 2528100 + 370881 = 1590^2 + 609^2 .

It is not a de Polignac number, because 2898981 - 2¹ = 2898979 is a prime.

It is a super-2 number, since 2×2898981² = 16808181676722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2898983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161046 + ... + 161063.

It is an arithmetic number, because the mean of its divisors is an integer number (697905).

2^2898981 is an apocalyptic number.

It is an amenable number.

2898981 is a deficient number, since it is larger than the sum of its proper divisors (1288449).

2898981 is a wasteful number, since it uses less digits than its factorization.

2898981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322115 (or 322112 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 2898981 is about 1702.6394216040. The cubic root of 2898981 is about 142.5876100223.

Subtracting from 2898981 its reverse (1898982), we obtain a palindrome (999999).

The spelling of 2898981 in words is "two million, eight hundred ninety-eight thousand, nine hundred eighty-one".