896420409 has 8 divisors (see below), whose sum is σ = 1203143232. Its totient is φ = 593655600.

The previous prime is 896420389. The next prime is 896420417. The reversal of 896420409 is 904024698.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 896420409 - 2⁷ = 896420281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (896420909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988974 + ... + 989879.

It is an arithmetic number, because the mean of its divisors is an integer number (150392904).

Almost surely, 2^896420409 is an apocalyptic number.

It is an amenable number.

896420409 is a deficient number, since it is larger than the sum of its proper divisors (306722823).

896420409 is a wasteful number, since it uses less digits than its factorization.

896420409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979007.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 896420409 is about 29940.2807101069. The cubic root of 896420409 is about 964.2076626741.

The spelling of 896420409 in words is "eight hundred ninety-six million, four hundred twenty thousand, four hundred nine".