395915454 has 48 divisors (see below), whose sum is σ = 949014144. Its totient is φ = 118280400.

The previous prime is 395915447. The next prime is 395915473. The reversal of 395915454 is 454519593.

395915454 is a `hidden beast` number, since 3 + 9 + 591 + 5 + 4 + 54 = 666.

It is a super-2 number, since 2×395915454² = 313498093432052232, 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 23 ways as a sum of consecutive naturals, for example, 24 + ... + 28139.

It is an arithmetic number, because the mean of its divisors is an integer number (19771128).

Almost surely, 2^395915454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395915454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474507072).

395915454 is an abundant number, since it is smaller than the sum of its proper divisors (553098690).

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

395915454 is a wasteful number, since it uses less digits than its factorization.

395915454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28253 (or 28250 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 395915454 is about 19897.6243305577. The cubic root of 395915454 is about 734.2897818097.

It can be divided in two parts, 395 and 915454, that added together give a square (915849 = 957²).

The spelling of 395915454 in words is "three hundred ninety-five million, nine hundred fifteen thousand, four hundred fifty-four".