895400389 has 4 divisors (see below), whose sum is σ = 964277356. Its totient is φ = 826523424.

The previous prime is 895400381. The next prime is 895400399. The reversal of 895400389 is 983004598.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 983004598 = 2 ⋅491502299.

It can be written as a sum of positive squares in 2 ways, for example, as 40832100 + 854568289 = 6390^2 + 29233^2 .

It is a cyclic number.

It is not a de Polignac number, because 895400389 - 2³ = 895400381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (895400381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34438464 + ... + 34438489.

It is an arithmetic number, because the mean of its divisors is an integer number (241069339).

Almost surely, 2^895400389 is an apocalyptic number.

It is an amenable number.

895400389 is a deficient number, since it is larger than the sum of its proper divisors (68876967).

895400389 is a wasteful number, since it uses less digits than its factorization.

895400389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68876966.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 895400389 is about 29923.2416191829. The cubic root of 895400389 is about 963.8418059228.

The spelling of 895400389 in words is "eight hundred ninety-five million, four hundred thousand, three hundred eighty-nine".