147698 has 4 divisors (see below), whose sum is σ = 221550. Its totient is φ = 73848.

The previous prime is 147689. The next prime is 147703. The reversal of 147698 is 896741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 896741 = 59 ⋅15199.

It can be written as a sum of positive squares in only one way, i.e., 97969 + 49729 = 313^2 + 223^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147698.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36923 + ... + 36926.

2¹⁴⁷⁶⁹⁸ is an apocalyptic number.

147698 is a deficient number, since it is larger than the sum of its proper divisors (73852).

147698 is an equidigital number, since it uses as much as digits as its factorization.

147698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73851.

The product of its digits is 12096, while the sum is 35.

The square root of 147698 is about 384.3149749880. The cubic root of 147698 is about 52.8597216036.

The spelling of 147698 in words is "one hundred forty-seven thousand, six hundred ninety-eight".