298105742 has 16 divisors (see below), whose sum is σ = 492642864. Its totient is φ = 134160000.

The previous prime is 298105723. The next prime is 298105747. The reversal of 298105742 is 247501892.

It is a junction number, because it is equal to n+sod(n) for n = 298105696 and 298105705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298105747) 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, 64859 + ... + 69302.

It is an arithmetic number, because the mean of its divisors is an integer number (30790179).

Almost surely, 2^298105742 is an apocalyptic number.

298105742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

298105742 is a deficient number, since it is larger than the sum of its proper divisors (194537122).

298105742 is a wasteful number, since it uses less digits than its factorization.

298105742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134275.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 298105742 is about 17265.7389647822. The cubic root of 298105742 is about 668.0209977623.

The spelling of 298105742 in words is "two hundred ninety-eight million, one hundred five thousand, seven hundred forty-two".