895997421 has 48 divisors (see below), whose sum is σ = 1490711040. Its totient is φ = 512883360.

The previous prime is 895997419. The next prime is 895997449. The reversal of 895997421 is 124799598.

895997421 is a `hidden beast` number, since 8 + 9 + 599 + 7 + 42 + 1 = 666.

It is not a de Polignac number, because 895997421 - 2¹ = 895997419 is a prime.

It is a super-2 number, since 2×895997421² = 1605622756877302482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (895997491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 945670 + ... + 946616.

It is an arithmetic number, because the mean of its divisors is an integer number (31056480).

Almost surely, 2^895997421 is an apocalyptic number.

It is an amenable number.

895997421 is a deficient number, since it is larger than the sum of its proper divisors (594713619).

895997421 is a wasteful number, since it uses less digits than its factorization.

895997421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1483 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 895997421 is about 29933.2160149891. The cubic root of 895997421 is about 964.0559807054.

It can be divided in two parts, 89599 and 7421, that added together give a triangular number (97020 = T₄₄₀).

The spelling of 895997421 in words is "eight hundred ninety-five million, nine hundred ninety-seven thousand, four hundred twenty-one".