396019836 has 36 divisors (see below), whose sum is σ = 1006852392. Its totient is φ = 131241504.

The previous prime is 396019801. The next prime is 396019837. The reversal of 396019836 is 638910693.

396019836 is a `hidden beast` number, since 3 + 9 + 601 + 9 + 8 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 396019791 and 396019800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396019837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25566 + ... + 38021.

It is an arithmetic number, because the mean of its divisors is an integer number (27968122).

Almost surely, 2^396019836 is an apocalyptic number.

396019836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

396019836 is an abundant number, since it is smaller than the sum of its proper divisors (610832556).

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

396019836 is a wasteful number, since it uses less digits than its factorization.

396019836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63770 (or 63765 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 396019836 is about 19900.2471341438. The cubic root of 396019836 is about 734.3543072872.

The spelling of 396019836 in words is "three hundred ninety-six million, nineteen thousand, eight hundred thirty-six".