395194740 has 72 divisors (see below), whose sum is σ = 1156840608. Its totient is φ = 100795200.

The previous prime is 395194729. The next prime is 395194741. The reversal of 395194740 is 47491593.

It is a junction number, because it is equal to n+sod(n) for n = 395194692 and 395194701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395194741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25515 + ... + 37965.

Almost surely, 2^395194740 is an apocalyptic number.

395194740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395194740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578420304).

395194740 is an abundant number, since it is smaller than the sum of its proper divisors (761645868).

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

395194740 is a wasteful number, since it uses less digits than its factorization.

395194740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12509 (or 12484 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 395194740 is about 19879.5055270497. The cubic root of 395194740 is about 733.8439506208.

The spelling of 395194740 in words is "three hundred ninety-five million, one hundred ninety-four thousand, seven hundred forty".