2998631 has 2 divisors, whose sum is σ = 2998632. Its totient is φ = 2998630.

The previous prime is 2998601. The next prime is 2998649. The reversal of 2998631 is 1368992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2998631 - 2¹⁴ = 2982247 is a prime.

It is a super-2 number, since 2×2998631² = 17983575748322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2998601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499315 + 1499316.

It is an arithmetic number, because the mean of its divisors is an integer number (1499316).

2^2998631 is an apocalyptic number.

2998631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2998631 is an equidigital number, since it uses as much as digits as its factorization.

2998631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 2998631 is about 1731.6555662140. The cubic root of 2998631 is about 144.2030154744.

It can be divided in two parts, 29986 and 31, that multiplied together give a triangular number (929566 = T₁₃₆₃).

The spelling of 2998631 in words is "two million, nine hundred ninety-eight thousand, six hundred thirty-one".