213648298 has 16 divisors (see below), whose sum is σ = 323673480. Its totient is φ = 105762816.

The previous prime is 213648283. The next prime is 213648317. The reversal of 213648298 is 892846312.

It can be written as a sum of positive squares in 4 ways, for example, as 213247609 + 400689 = 14603^2 + 633^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87186 + ... + 89602.

Almost surely, 2^213648298 is an apocalyptic number.

213648298 is a deficient number, since it is larger than the sum of its proper divisors (110025182).

213648298 is a wasteful number, since it uses less digits than its factorization.

213648298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841.

The product of its digits is 165888, while the sum is 43.

The square root of 213648298 is about 14616.7129683797. The cubic root of 213648298 is about 597.8145474752.

The spelling of 213648298 in words is "two hundred thirteen million, six hundred forty-eight thousand, two hundred ninety-eight".