308002 has 4 divisors (see below), whose sum is σ = 462006. Its totient is φ = 154000.

The previous prime is 307969. The next prime is 308003. The reversal of 308002 is 200803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200803 = 157 ⋅1279.

It can be written as a sum of positive squares in only one way, i.e., 212521 + 95481 = 461^2 + 309^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (308003) by changing a digit.

308002 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76999 + ... + 77002.

2³⁰⁸⁰⁰² is an apocalyptic number.

308002 is a deficient number, since it is larger than the sum of its proper divisors (154004).

308002 is a wasteful number, since it uses less digits than its factorization.

308002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154003.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 308002 is about 554.9792788925. The cubic root of 308002 is about 67.5332803422.

Adding to 308002 its reverse (200803), we get a palindrome (508805).

The spelling of 308002 in words is "three hundred eight thousand, two".