395129750 has 32 divisors (see below), whose sum is σ = 744468192. Its totient is φ = 157029600.

The previous prime is 395129737. The next prime is 395129789. The reversal of 395129750 is 57921593.

It is a super-2 number, since 2×395129750² = 312255038670125000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 395129698 and 395129707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34217 + ... + 44283.

It is an arithmetic number, because the mean of its divisors is an integer number (23264631).

Almost surely, 2^395129750 is an apocalyptic number.

395129750 is a deficient number, since it is larger than the sum of its proper divisors (349338442).

395129750 is a wasteful number, since it uses less digits than its factorization.

395129750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10241 (or 10231 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 41.

The square root of 395129750 is about 19877.8708618403. The cubic root of 395129750 is about 733.8037213970.

The spelling of 395129750 in words is "three hundred ninety-five million, one hundred twenty-nine thousand, seven hundred fifty".