393102 has 12 divisors (see below), whose sum is σ = 851760. Its totient is φ = 131028.

The previous prime is 393097. The next prime is 393103. The reversal of 393102 is 201393.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 21839 = 393102 / (3 + 9 + 3 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393103) by changing a digit.

393102 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 in 5 ways as a sum of consecutive naturals, for example, 10902 + ... + 10937.

It is an arithmetic number, because the mean of its divisors is an integer number (70980).

2³⁹³¹⁰² is an apocalyptic number.

393102 is an abundant number, since it is smaller than the sum of its proper divisors (458658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

393102 is a wasteful number, since it uses less digits than its factorization.

393102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21847 (or 21844 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 393102 is about 626.9784685298. The cubic root of 393102 is about 73.2546309008.

Adding to 393102 its reverse (201393), we get a palindrome (594495).

The spelling of 393102 in words is "three hundred ninety-three thousand, one hundred two".