11640298 has 4 divisors (see below), whose sum is σ = 17460450. Its totient is φ = 5820148.

The previous prime is 11640271. The next prime is 11640313. The reversal of 11640298 is 89204611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89204611 = 89 ⋅1002299.

It can be written as a sum of positive squares in only one way, i.e., 11377129 + 263169 = 3373^2 + 513^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2910073 + ... + 2910076.

Almost surely, 2^11640298 is an apocalyptic number.

11640298 is a deficient number, since it is larger than the sum of its proper divisors (5820152).

11640298 is an equidigital number, since it uses as much as digits as its factorization.

11640298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820151.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 11640298 is about 3411.7880942403. The cubic root of 11640298 is about 226.6320703638.

The spelling of 11640298 in words is "eleven million, six hundred forty thousand, two hundred ninety-eight".