396984500 has 96 divisors (see below), whose sum is σ = 957640320. Its totient is φ = 142560000.

The previous prime is 396984491. The next prime is 396984541. The reversal of 396984500 is 5489693.

It is a super-3 number, since 3×396984500³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489095 + ... + 489905.

It is an arithmetic number, because the mean of its divisors is an integer number (9975420).

Almost surely, 2^396984500 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 396984500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478820160).

396984500 is an abundant number, since it is smaller than the sum of its proper divisors (560655820).

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

396984500 is a wasteful number, since it uses less digits than its factorization.

396984500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 396984500 is about 19924.4698800244. The cubic root of 396984500 is about 734.9500945646.

The spelling of 396984500 in words is "three hundred ninety-six million, nine hundred eighty-four thousand, five hundred".