396246838 has 32 divisors (see below), whose sum is σ = 660207744. Its totient is φ = 177178752.

The previous prime is 396246833. The next prime is 396246853. The reversal of 396246838 is 838642693.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 396246791 and 396246800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396246833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265731 + ... + 267217.

It is an arithmetic number, because the mean of its divisors is an integer number (20631492).

Almost surely, 2^396246838 is an apocalyptic number.

396246838 is a deficient number, since it is larger than the sum of its proper divisors (263960906).

396246838 is a wasteful number, since it uses less digits than its factorization.

396246838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816.

The product of its digits is 1492992, while the sum is 49.

The square root of 396246838 is about 19905.9498140631. The cubic root of 396246838 is about 734.4945932360.

The spelling of 396246838 in words is "three hundred ninety-six million, two hundred forty-six thousand, eight hundred thirty-eight".