396930 has 32 divisors (see below), whose sum is σ = 969408. Its totient is φ = 104000.

The previous prime is 396919. The next prime is 396931. The reversal of 396930 is 39693.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (396931) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2965 + ... + 3095.

It is an arithmetic number, because the mean of its divisors is an integer number (30294).

2³⁹⁶⁹³⁰ is an apocalyptic number.

396930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

396930 is an abundant number, since it is smaller than the sum of its proper divisors (572478).

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

396930 is a wasteful number, since it uses less digits than its factorization.

396930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 396930 is about 630.0238090739. The cubic root of 396930 is about 73.4916460495.

Subtracting from 396930 its sum of digits (30), we obtain a square (396900 = 630²).

396930 divided by its sum of digits (30) gives a palindrome (13231).

It can be divided in two parts, 396 and 930, that added together give a triangular number (1326 = T₅₁).

The spelling of 396930 in words is "three hundred ninety-six thousand, nine hundred thirty".