395699500 has 144 divisors (see below), whose sum is σ = 1039723776. Its totient is φ = 131040000.

The previous prime is 395699477. The next prime is 395699509. The reversal of 395699500 is 5996593.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (395699509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 759240 + ... + 759760.

It is an arithmetic number, because the mean of its divisors is an integer number (7220304).

Almost surely, 2^395699500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395699500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519861888).

395699500 is an abundant number, since it is smaller than the sum of its proper divisors (644024276).

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

395699500 is a wasteful number, since it uses less digits than its factorization.

395699500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 328050, while the sum is 46.

The square root of 395699500 is about 19892.1969626283. The cubic root of 395699500 is about 734.1562502235.

The spelling of 395699500 in words is "three hundred ninety-five million, six hundred ninety-nine thousand, five hundred".