396673236 has 36 divisors (see below), whose sum is σ = 1011910900. Its totient is φ = 131010048.

The previous prime is 396673219. The next prime is 396673243. The reversal of 396673236 is 632376693.

It can be written as a sum of positive squares in 2 ways, for example, as 151437636 + 245235600 = 12306^2 + 15660^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 396673191 and 396673200.

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 11 ways as a sum of consecutive naturals, for example, 46621 + ... + 54468.

Almost surely, 2^396673236 is an apocalyptic number.

396673236 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

396673236 is an abundant number, since it is smaller than the sum of its proper divisors (615237664).

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

396673236 is a wasteful number, since it uses less digits than its factorization.

396673236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101208 (or 101203 counting only the distinct ones).

The product of its digits is 734832, while the sum is 45.

The square root of 396673236 is about 19916.6572496491. The cubic root of 396673236 is about 734.7579600092.

The spelling of 396673236 in words is "three hundred ninety-six million, six hundred seventy-three thousand, two hundred thirty-six".