895046721 has 4 divisors (see below), whose sum is σ = 1193395632. Its totient is φ = 596697812.

The previous prime is 895046701. The next prime is 895046741. The reversal of 895046721 is 127640598.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (895046701) and next prime (895046741).

It is a cyclic number.

It is not a de Polignac number, because 895046721 - 2⁵ = 895046689 is a prime.

It is a super-2 number, since 2×895046721² = 1602217265545703682, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (895046701) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 149174451 + ... + 149174456.

It is an arithmetic number, because the mean of its divisors is an integer number (298348908).

Almost surely, 2^895046721 is an apocalyptic number.

It is an amenable number.

895046721 is a deficient number, since it is larger than the sum of its proper divisors (298348911).

895046721 is a wasteful number, since it uses less digits than its factorization.

895046721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298348910.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 895046721 is about 29917.3314485099. The cubic root of 895046721 is about 963.7148888109.

The spelling of 895046721 in words is "eight hundred ninety-five million, forty-six thousand, seven hundred twenty-one".