896129 has 8 divisors (see below), whose sum is σ = 998760. Its totient is φ = 798336.

The previous prime is 896123. The next prime is 896143. The reversal of 896129 is 921698.

896129 = 173² + 174² + ... + 198².

It can be written as a sum of positive squares in 4 ways, for example, as 21904 + 874225 = 148^2 + 935^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 896129 - 2⁴ = 896113 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (896123) 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, 812 + ... + 1565.

It is an arithmetic number, because the mean of its divisors is an integer number (124845).

2⁸⁹⁶¹²⁹ is an apocalyptic number.

It is an amenable number.

896129 is a deficient number, since it is larger than the sum of its proper divisors (102631).

896129 is a wasteful number, since it uses less digits than its factorization.

896129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419.

The product of its digits is 7776, while the sum is 35.

The square root of 896129 is about 946.6409034053. The cubic root of 896129 is about 96.4103169574.

The spelling of 896129 in words is "eight hundred ninety-six thousand, one hundred twenty-nine".