395699136 has 112 divisors (see below), whose sum is σ = 1202716416. Its totient is φ = 112472064.

The previous prime is 395699081. The next prime is 395699141. The reversal of 395699136 is 631996593.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×395699136² = 313155612462292992, which contains 22 as substring.

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, 304440 + ... + 305736.

Almost surely, 2^395699136 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 395699136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601358208).

395699136 is an abundant number, since it is smaller than the sum of its proper divisors (807017280).

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

395699136 is a wasteful number, since it uses less digits than its factorization.

395699136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546 (or 1536 counting only the distinct ones).

The product of its digits is 1180980, while the sum is 51.

The square root of 395699136 is about 19892.1878133100. The cubic root of 395699136 is about 734.1560251091.

The spelling of 395699136 in words is "three hundred ninety-five million, six hundred ninety-nine thousand, one hundred thirty-six".