396507216 has 120 divisors (see below), whose sum is σ = 1197941184. Its totient is φ = 112680960.

The previous prime is 396507197. The next prime is 396507233. The reversal of 396507216 is 612705693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 618256 + ... + 618896.

Almost surely, 2^396507216 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 396507216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598970592).

396507216 is an abundant number, since it is smaller than the sum of its proper divisors (801433968).

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

396507216 is a wasteful number, since it uses less digits than its factorization.

396507216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 396507216 is about 19912.4889453830. The cubic root of 396507216 is about 734.6554394057.

The spelling of 396507216 in words is "three hundred ninety-six million, five hundred seven thousand, two hundred sixteen".