395418249 has 12 divisors (see below), whose sum is σ = 604757556. Its totient is φ = 248105472.

The previous prime is 395418229. The next prime is 395418263. The reversal of 395418249 is 942814593.

395418249 is a `hidden beast` number, since 395 + 4 + 18 + 249 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 219988224 + 175430025 = 14832^2 + 13245^2 .

It is not a de Polignac number, because 395418249 - 2⁵ = 395418217 is a prime.

It is a super-3 number, since 3×395418249³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (395418229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1292064 + ... + 1292369.

It is an arithmetic number, because the mean of its divisors is an integer number (50396463).

Almost surely, 2^395418249 is an apocalyptic number.

It is an amenable number.

395418249 is a deficient number, since it is larger than the sum of its proper divisors (209339307).

395418249 is a wasteful number, since it uses less digits than its factorization.

395418249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584456 (or 2584453 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 395418249 is about 19885.1263259754. The cubic root of 395418249 is about 733.9822704575.

The spelling of 395418249 in words is "three hundred ninety-five million, four hundred eighteen thousand, two hundred forty-nine".