4640895 has 40 divisors (see below), whose sum is σ = 9513504. Its totient is φ = 2120256.

The previous prime is 4640869. The next prime is 4640929. The reversal of 4640895 is 5980464.

4640895 is a `hidden beast` number, since 4 + 640 + 8 + 9 + 5 = 666.

It is not a de Polignac number, because 4640895 - 2⁵ = 4640863 is a prime.

4640895 is a lucky number.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2017 + ... + 3653.

Almost surely, 2^4640895 is an apocalyptic number.

4640895 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4640895 is an abundant number, since it is smaller than the sum of its proper divisors (4872609).

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

4640895 is a wasteful number, since it uses less digits than its factorization.

4640895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4640895 is about 2154.2736594964. The cubic root of 4640895 is about 166.8017416101.

The spelling of 4640895 in words is "four million, six hundred forty thousand, eight hundred ninety-five".