396984541 has 2 divisors, whose sum is σ = 396984542. Its totient is φ = 396984540.

The previous prime is 396984491. The next prime is 396984547. The reversal of 396984541 is 145489693.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366569316 + 30415225 = 19146^2 + 5515^2 .

It is a cyclic number.

It is not a de Polignac number, because 396984541 - 2¹⁷ = 396853469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396984547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198492270 + 198492271.

It is an arithmetic number, because the mean of its divisors is an integer number (198492271).

Almost surely, 2^396984541 is an apocalyptic number.

It is an amenable number.

396984541 is a deficient number, since it is larger than the sum of its proper divisors (1).

396984541 is an equidigital number, since it uses as much as digits as its factorization.

396984541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 396984541 is about 19924.4709089100. The cubic root of 396984541 is about 734.9501198661.

The spelling of 396984541 in words is "three hundred ninety-six million, nine hundred eighty-four thousand, five hundred forty-one".