89967429 has 10 divisors (see below), whose sum is σ = 134395910. Its totient is φ = 59978232.

The previous prime is 89967391. The next prime is 89967443. The reversal of 89967429 is 92476998.

It can be written as a sum of positive squares in only one way, i.e., 73564929 + 16402500 = 8577^2 + 4050^2 .

It is not a de Polignac number, because 89967429 - 2⁸ = 89967173 is a prime.

It is a super-3 number, since 3×89967429³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89967499) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 555274 + ... + 555435.

It is an arithmetic number, because the mean of its divisors is an integer number (13439591).

Almost surely, 2^89967429 is an apocalyptic number.

It is an amenable number.

89967429 is a deficient number, since it is larger than the sum of its proper divisors (44428481).

89967429 is a wasteful number, since it uses less digits than its factorization.

89967429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110721 (or 1110712 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 89967429 is about 9485.1161827360. The cubic root of 89967429 is about 448.0864074536.

The spelling of 89967429 in words is "eighty-nine million, nine hundred sixty-seven thousand, four hundred twenty-nine".