895261840 has 80 divisors (see below), whose sum is σ = 2276461440. Its totient is φ = 324725760.

The previous prime is 895261753. The next prime is 895261841. The reversal of 895261840 is 48162598.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (895261841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427516 + ... + 429604.

It is an arithmetic number, because the mean of its divisors is an integer number (28455768).

Almost surely, 2^895261840 is an apocalyptic number.

895261840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 895261840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1138230720).

895261840 is an abundant number, since it is smaller than the sum of its proper divisors (1381199600).

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

895261840 is a wasteful number, since it uses less digits than its factorization.

895261840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600 (or 2594 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 895261840 is about 29920.9264562446. The cubic root of 895261840 is about 963.7920902841.

The spelling of 895261840 in words is "eight hundred ninety-five million, two hundred sixty-one thousand, eight hundred forty".