396173652 has 96 divisors (see below), whose sum is σ = 1111837440. Its totient is φ = 107412480.

The previous prime is 396173651. The next prime is 396173653. The reversal of 396173652 is 256371693.

It is an interprime number because it is at equal distance from previous prime (396173651) and next prime (396173653).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396173651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125874 + ... + 128982.

It is an arithmetic number, because the mean of its divisors is an integer number (11581640).

Almost surely, 2^396173652 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 396173652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555918720).

396173652 is an abundant number, since it is smaller than the sum of its proper divisors (715663788).

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

396173652 is a wasteful number, since it uses less digits than its factorization.

396173652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201 (or 3199 counting only the distinct ones).

The product of its digits is 204120, while the sum is 42.

The square root of 396173652 is about 19904.1114345755. Note that the first 3 decimals coincide. The cubic root of 396173652 is about 734.4493705566.

The spelling of 396173652 in words is "three hundred ninety-six million, one hundred seventy-three thousand, six hundred fifty-two".