395360290 has 24 divisors (see below), whose sum is σ = 770604948. Its totient is φ = 145978560.

The previous prime is 395360261. The next prime is 395360323. The reversal of 395360290 is 92063593.

It can be written as a sum of positive squares in 6 ways, for example, as 86620249 + 308740041 = 9307^2 + 17571^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115281 + ... + 118660.

Almost surely, 2^395360290 is an apocalyptic number.

395360290 is a deficient number, since it is larger than the sum of its proper divisors (375244658).

395360290 is a wasteful number, since it uses less digits than its factorization.

395360290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233974 (or 233961 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 395360290 is about 19883.6689270366. The cubic root of 395360290 is about 733.9464072020.

The spelling of 395360290 in words is "three hundred ninety-five million, three hundred sixty thousand, two hundred ninety".