396180487 has 2 divisors, whose sum is σ = 396180488. Its totient is φ = 396180486.

The previous prime is 396180467. The next prime is 396180493. The reversal of 396180487 is 784081693.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396180487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396180467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198090243 + 198090244.

It is an arithmetic number, because the mean of its divisors is an integer number (198090244).

Almost surely, 2^396180487 is an apocalyptic number.

396180487 is a deficient number, since it is larger than the sum of its proper divisors (1).

396180487 is an equidigital number, since it uses as much as digits as its factorization.

396180487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 396180487 is about 19904.2831320296. The cubic root of 396180487 is about 734.4535942370.

It can be divided in two parts, 3961 and 80487, that added together give a palindrome (84448).

The spelling of 396180487 in words is "three hundred ninety-six million, one hundred eighty thousand, four hundred eighty-seven".