395285146 has 4 divisors (see below), whose sum is σ = 592927722. Its totient is φ = 197642572.

The previous prime is 395285131. The next prime is 395285147. The reversal of 395285146 is 641582593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641582593 = 107 ⋅5996099.

It can be written as a sum of positive squares in only one way, i.e., 324540225 + 70744921 = 18015^2 + 8411^2 .

It is not an unprimeable number, because it can be changed into a prime (395285147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98821285 + ... + 98821288.

Almost surely, 2^395285146 is an apocalyptic number.

395285146 is a deficient number, since it is larger than the sum of its proper divisors (197642576).

395285146 is a wasteful number, since it uses less digits than its factorization.

395285146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197642575.

The product of its digits is 259200, while the sum is 43.

The square root of 395285146 is about 19881.7792463351. The cubic root of 395285146 is about 733.8999051761.

It can be divided in two parts, 3952 and 85146, that added together give a palindrome (89098).

The spelling of 395285146 in words is "three hundred ninety-five million, two hundred eighty-five thousand, one hundred forty-six".