298240031 has 8 divisors (see below), whose sum is σ = 309679200. Its totient is φ = 286877920.

The previous prime is 298240021. The next prime is 298240037. The reversal of 298240031 is 130042892.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-298240031 is a prime.

It is a super-2 number, since 2×298240031² = 177894232181761922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 298239976 and 298240003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298240037) 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, 11315 + ... + 26916.

It is an arithmetic number, because the mean of its divisors is an integer number (38709900).

Almost surely, 2^298240031 is an apocalyptic number.

298240031 is a deficient number, since it is larger than the sum of its proper divisors (11439169).

298240031 is a wasteful number, since it uses less digits than its factorization.

298240031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38529.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 298240031 is about 17269.6274134678. The cubic root of 298240031 is about 668.1212914860.

The spelling of 298240031 in words is "two hundred ninety-eight million, two hundred forty thousand, thirty-one".