98069409 has 9 divisors (see below), whose sum is σ = 141698739. Its totient is φ = 65359800.

The previous prime is 98069383. The next prime is 98069429. The reversal of 98069409 is 90496089.

The square root of 98069409 is 9903.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 20277009 + 77792400 = 4503^2 + 8820^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 98069409 - 2²¹ = 95972257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98069429) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 28059 + ... + 31359.

Almost surely, 2^98069409 is an apocalyptic number.

98069409 is the 9903-rd square number.

98069409 is the 4952-nd centered octagonal number.

It is an amenable number.

98069409 is a deficient number, since it is larger than the sum of its proper divisors (43629330).

98069409 is an frugal number, since it uses more digits than its factorization.

98069409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608 (or 3304 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The cubic root of 98069409 is about 461.1524490200.

The spelling of 98069409 in words is "ninety-eight million, sixty-nine thousand, four hundred nine".