896840249 has 4 divisors (see below), whose sum is σ = 897272064. Its totient is φ = 896408436.

The previous prime is 896840177. The next prime is 896840281. The reversal of 896840249 is 942048698.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 942048698 = 2 ⋅471024349.

It is a cyclic number.

It is not a de Polignac number, because 896840249 - 2²⁸ = 628404793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 896840197 and 896840206.

It is not an unprimeable number, because it can be changed into a prime (896800249) 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, 212777 + ... + 216950.

It is an arithmetic number, because the mean of its divisors is an integer number (224318016).

Almost surely, 2^896840249 is an apocalyptic number.

It is an amenable number.

896840249 is a deficient number, since it is larger than the sum of its proper divisors (431815).

896840249 is a wasteful number, since it uses less digits than its factorization.

896840249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431814.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 896840249 is about 29947.2911796710. The cubic root of 896840249 is about 964.3581686045.

The spelling of 896840249 in words is "eight hundred ninety-six million, eight hundred forty thousand, two hundred forty-nine".