396539463600 has 1920 divisors, whose sum is σ = 1817369395200. Its totient is φ = 80024371200.

The previous prime is 396539463571. The next prime is 396539463601. The reversal of 396539463600 is 6364935693.

It is a happy number.

396539463600 is a `hidden beast` number, since 3 + 9 + 6 + 539 + 46 + 3 + 60 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (396539463601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1474124266 + ... + 1474124534.

It is an arithmetic number, because the mean of its divisors is an integer number (946546560).

Almost surely, 2^396539463600 is an apocalyptic number.

396539463600 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 396539463600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908684697600).

396539463600 is an abundant number, since it is smaller than the sum of its proper divisors (1420829931600).

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

396539463600 is a wasteful number, since it uses less digits than its factorization.

396539463600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 54.

The spelling of 396539463600 in words is "three hundred ninety-six billion, five hundred thirty-nine million, four hundred sixty-three thousand, six hundred".