395061261 has 8 divisors (see below), whose sum is σ = 601998144. Its totient is φ = 225749280.

The previous prime is 395061257. The next prime is 395061343. The reversal of 395061261 is 162160593.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 395061261 - 2² = 395061257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395061061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9406200 + ... + 9406241.

It is an arithmetic number, because the mean of its divisors is an integer number (75249768).

Almost surely, 2^395061261 is an apocalyptic number.

It is an amenable number.

395061261 is a deficient number, since it is larger than the sum of its proper divisors (206936883).

395061261 is a wasteful number, since it uses less digits than its factorization.

395061261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18812451.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 395061261 is about 19876.1480423144. The cubic root of 395061261 is about 733.7613214958.

The spelling of 395061261 in words is "three hundred ninety-five million, sixty-one thousand, two hundred sixty-one".