395264101 has 4 divisors (see below), whose sum is σ = 395313804. Its totient is φ = 395214400.

The previous prime is 395264083. The next prime is 395264123. The reversal of 395264101 is 101462593.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9180900 + 386083201 = 3030^2 + 19649^2 .

It is a 3-Lehmer number, since φ(395264101) divides (395264101-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395264101 is a prime.

It is a deceptive number, since it divides R_395264100.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395264141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9940 + ... + 29821.

It is an arithmetic number, because the mean of its divisors is an integer number (98828451).

It is a Poulet number, since it divides 2^395264100-1.

Almost surely, 2^395264101 is an apocalyptic number.

395264101 is the 9941-st decagonal number.

It is an amenable number.

395264101 is a deficient number, since it is larger than the sum of its proper divisors (49703).

395264101 is an equidigital number, since it uses as much as digits as its factorization.

395264101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49702.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 395264101 is about 19881.2499858535. The cubic root of 395264101 is about 733.8868806564.

The spelling of 395264101 in words is "three hundred ninety-five million, two hundred sixty-four thousand, one hundred one".