395842620 has 48 divisors (see below), whose sum is σ = 1173559968. Its totient is φ = 99348480.

The previous prime is 395842619. The next prime is 395842621. The reversal of 395842620 is 26248593.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (395842619) and next prime (395842621).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395842621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193021 + ... + 195060.

It is an arithmetic number, because the mean of its divisors is an integer number (24449166).

Almost surely, 2^395842620 is an apocalyptic number.

395842620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

395842620 is an abundant number, since it is smaller than the sum of its proper divisors (777717348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395842620 is a wasteful number, since it uses less digits than its factorization.

395842620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388110 (or 388108 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 395842620 is about 19895.7940278844. The cubic root of 395842620 is about 734.2447515376.

The spelling of 395842620 in words is "three hundred ninety-five million, eight hundred forty-two thousand, six hundred twenty".