396539101 has 32 divisors (see below), whose sum is σ = 498341120. Its totient is φ = 307929600.

The previous prime is 396539089. The next prime is 396539107. The reversal of 396539101 is 101935693.

It is a cyclic number.

It is not a de Polignac number, because 396539101 - 2⁷ = 396538973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396539107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299521 + ... + 300841.

It is an arithmetic number, because the mean of its divisors is an integer number (15573160).

It is a Poulet number, since it divides 2^396539100-1.

Almost surely, 2^396539101 is an apocalyptic number.

It is an amenable number.

396539101 is a deficient number, since it is larger than the sum of its proper divisors (101802019).

396539101 is a wasteful number, since it uses less digits than its factorization.

396539101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445.

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 396539101 is about 19913.2895574789. The cubic root of 396539101 is about 734.6751312380.

The spelling of 396539101 in words is "three hundred ninety-six million, five hundred thirty-nine thousand, one hundred one".