258349298 has 4 divisors (see below), whose sum is σ = 387523950. Its totient is φ = 129174648.

The previous prime is 258349297. The next prime is 258349307. The reversal of 258349298 is 892943852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 232776049 + 25573249 = 15257^2 + 5057^2 .

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

It is not an unprimeable number, because it can be changed into a prime (258349297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64587323 + ... + 64587326.

Almost surely, 2^258349298 is an apocalyptic number.

258349298 is a deficient number, since it is larger than the sum of its proper divisors (129174652).

258349298 is a wasteful number, since it uses less digits than its factorization.

258349298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129174651.

The product of its digits is 1244160, while the sum is 50.

The square root of 258349298 is about 16073.2478982936. The cubic root of 258349298 is about 636.8968416882.

The spelling of 258349298 in words is "two hundred fifty-eight million, three hundred forty-nine thousand, two hundred ninety-eight".