395144623 has 8 divisors (see below), whose sum is σ = 416409696. Its totient is φ = 374220000.

The previous prime is 395144611. The next prime is 395144647. The reversal of 395144623 is 326441593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395144623 is a prime.

It is a super-2 number, since 2×395144623² = 312278546171624258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395144683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82728 + ... + 87373.

It is an arithmetic number, because the mean of its divisors is an integer number (52051212).

Almost surely, 2^395144623 is an apocalyptic number.

395144623 is a deficient number, since it is larger than the sum of its proper divisors (21265073).

395144623 is a wasteful number, since it uses less digits than its factorization.

395144623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170225.

The product of its digits is 77760, while the sum is 37.

The square root of 395144623 is about 19878.2449678034. The cubic root of 395144623 is about 733.8129282679.

The spelling of 395144623 in words is "three hundred ninety-five million, one hundred forty-four thousand, six hundred twenty-three".