396684120 has 128 divisors (see below), whose sum is σ = 1440115200. Its totient is φ = 85334016.

The previous prime is 396684107. The next prime is 396684133. The reversal of 396684120 is 21486693.

It is an interprime number because it is at equal distance from previous prime (396684107) and next prime (396684133).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391 + ... + 28169.

It is an arithmetic number, because the mean of its divisors is an integer number (11250900).

Almost surely, 2^396684120 is an apocalyptic number.

396684120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396684120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720057600).

396684120 is an abundant number, since it is smaller than the sum of its proper divisors (1043431080).

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

396684120 is a wasteful number, since it uses less digits than its factorization.

396684120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27817 (or 27813 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 396684120 is about 19916.9304863977. The cubic root of 396684120 is about 734.7646800933.

The spelling of 396684120 in words is "three hundred ninety-six million, six hundred eighty-four thousand, one hundred twenty".