395690438 has 32 divisors (see below), whose sum is σ = 698810112. Its totient is φ = 165664800.

The previous prime is 395690437. The next prime is 395690461. The reversal of 395690438 is 834096593.

It is a junction number, because it is equal to n+sod(n) for n = 395690392 and 395690401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395690437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162095 + ... + 164517.

It is an arithmetic number, because the mean of its divisors is an integer number (21837816).

Almost surely, 2^395690438 is an apocalyptic number.

395690438 is a deficient number, since it is larger than the sum of its proper divisors (303119674).

395690438 is a wasteful number, since it uses less digits than its factorization.

395690438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 395690438 is about 19891.9691835675. The cubic root of 395690438 is about 734.1506458236.

The spelling of 395690438 in words is "three hundred ninety-five million, six hundred ninety thousand, four hundred thirty-eight".