395737650 has 384 divisors, whose sum is σ = 1405624320. Its totient is φ = 80481600.

The previous prime is 395737631. The next prime is 395737669. The reversal of 395737650 is 56737593.

395737650 is a `hidden beast` number, since 3 + 9 + 573 + 76 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (395737631) and next prime (395737669).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 395737596 and 395737605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8419927 + ... + 8419973.

It is an arithmetic number, because the mean of its divisors is an integer number (3660480).

Almost surely, 2^395737650 is an apocalyptic number.

395737650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 395737650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702812160).

395737650 is an abundant number, since it is smaller than the sum of its proper divisors (1009886670).

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

395737650 is a wasteful number, since it uses less digits than its factorization.

395737650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 45.

The square root of 395737650 is about 19893.1558582343. The cubic root of 395737650 is about 734.1798431780.

The spelling of 395737650 in words is "three hundred ninety-five million, seven hundred thirty-seven thousand, six hundred fifty".