396723700 has 18 divisors (see below), whose sum is σ = 860890646. Its totient is φ = 158689440.

The previous prime is 396723673. The next prime is 396723721. The reversal of 396723700 is 7327693.

It can be written as a sum of positive squares in 3 ways, for example, as 1350244 + 395373456 = 1162^2 + 19884^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 396723700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1983519 + ... + 1983718.

Almost surely, 2^396723700 is an apocalyptic number.

It is an amenable number.

396723700 is an abundant number, since it is smaller than the sum of its proper divisors (464166946).

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

396723700 is a wasteful number, since it uses less digits than its factorization.

396723700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3967251 (or 3967244 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 396723700 is about 19917.9240886193. The cubic root of 396723700 is about 734.7891168490.

The spelling of 396723700 in words is "three hundred ninety-six million, seven hundred twenty-three thousand, seven hundred".