393652 has 24 divisors (see below), whose sum is σ = 834624. Its totient is φ = 158592.

The previous prime is 393649. The next prime is 393667. The reversal of 393652 is 256393.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 393652.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 63 + ... + 889.

It is an arithmetic number, because the mean of its divisors is an integer number (34776).

2³⁹³⁶⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 393652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417312).

393652 is an abundant number, since it is smaller than the sum of its proper divisors (440972).

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

393652 is a wasteful number, since it uses less digits than its factorization.

393652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 853 counting only the distinct ones).

The product of its digits is 4860, while the sum is 28.

The square root of 393652 is about 627.4169267720. The cubic root of 393652 is about 73.2887791806.

The spelling of 393652 in words is "three hundred ninety-three thousand, six hundred fifty-two".