396180837 has 48 divisors (see below), whose sum is σ = 669760000. Its totient is φ = 223482240.

The previous prime is 396180821. The next prime is 396180839. The reversal of 396180837 is 738081693.

It is a happy number.

396180837 is a `hidden beast` number, since 396 + 180 + 83 + 7 = 666.

It is not a de Polignac number, because 396180837 - 2⁴ = 396180821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 396180792 and 396180801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396180839) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66039 + ... + 71787.

Almost surely, 2^396180837 is an apocalyptic number.

It is an amenable number.

396180837 is a deficient number, since it is larger than the sum of its proper divisors (273579163).

396180837 is a wasteful number, since it uses less digits than its factorization.

396180837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818 (or 5815 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 396180837 is about 19904.2919241052. The cubic root of 396180837 is about 734.4538105177.

The spelling of 396180837 in words is "three hundred ninety-six million, one hundred eighty thousand, eight hundred thirty-seven".