898664929 has 8 divisors (see below), whose sum is σ = 905227560. Its totient is φ = 892125696.

The previous prime is 898664887. The next prime is 898664953. The reversal of 898664929 is 929466898.

It can be written as a sum of positive squares in 4 ways, for example, as 124545600 + 774119329 = 11160^2 + 27823^2 .

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 898664929 - 2¹¹ = 898662881 is a prime.

It is a super-2 number, since 2×898664929² = 1615197309229150082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (898664959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75279 + ... + 86395.

It is an arithmetic number, because the mean of its divisors is an integer number (113153445).

Almost surely, 2^898664929 is an apocalyptic number.

It is an amenable number.

898664929 is a deficient number, since it is larger than the sum of its proper divisors (6562631).

898664929 is a wasteful number, since it uses less digits than its factorization.

898664929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11699.

The product of its digits is 13436928, while the sum is 61.

The square root of 898664929 is about 29977.7405586212. The cubic root of 898664929 is about 965.0117420963.

The spelling of 898664929 in words is "eight hundred ninety-eight million, six hundred sixty-four thousand, nine hundred twenty-nine".