4395631 has 4 divisors (see below), whose sum is σ = 4627000. Its totient is φ = 4164264.

The previous prime is 4395623. The next prime is 4395641. The reversal of 4395631 is 1365934.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1365934 = 2 ⋅682967.

It is a cyclic number.

It is not a de Polignac number, because 4395631 - 2³ = 4395623 is a prime.

It is a super-2 number, since 2×4395631² = 38643143776322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4395593 and 4395602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4395641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115656 + ... + 115693.

It is an arithmetic number, because the mean of its divisors is an integer number (1156750).

Almost surely, 2^4395631 is an apocalyptic number.

4395631 is a deficient number, since it is larger than the sum of its proper divisors (231369).

4395631 is a wasteful number, since it uses less digits than its factorization.

4395631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231368.

The product of its digits is 9720, while the sum is 31.

The square root of 4395631 is about 2096.5760181782. The cubic root of 4395631 is about 163.8099995734.

The spelling of 4395631 in words is "four million, three hundred ninety-five thousand, six hundred thirty-one".