298785434 has 24 divisors (see below), whose sum is σ = 476809788. Its totient is φ = 140313600.

The previous prime is 298785401. The next prime is 298785437. The reversal of 298785434 is 434587892.

It can be written as a sum of positive squares in 6 ways, for example, as 231496225 + 67289209 = 15215^2 + 8203^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298785437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59834 + ... + 64634.

Almost surely, 2^298785434 is an apocalyptic number.

298785434 is a deficient number, since it is larger than the sum of its proper divisors (178024354).

298785434 is a wasteful number, since it uses less digits than its factorization.

298785434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4898 (or 4869 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 298785434 is about 17285.4110162298. The cubic root of 298785434 is about 668.5283164953.

The spelling of 298785434 in words is "two hundred ninety-eight million, seven hundred eighty-five thousand, four hundred thirty-four".