89120429 has 8 divisors (see below), whose sum is σ = 91595448. Its totient is φ = 86659840.

The previous prime is 89120387. The next prime is 89120459. The reversal of 89120429 is 92402198.

It can be written as a sum of positive squares in 4 ways, for example, as 21436900 + 67683529 = 4630^2 + 8227^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89120429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89120459) 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, 9569 + ... + 16425.

It is an arithmetic number, because the mean of its divisors is an integer number (11449431).

Almost surely, 2^89120429 is an apocalyptic number.

It is an amenable number.

89120429 is a deficient number, since it is larger than the sum of its proper divisors (2475019).

89120429 is a wasteful number, since it uses less digits than its factorization.

89120429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7215.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 89120429 is about 9440.3616985791. The cubic root of 89120429 is about 446.6757988653.

The spelling of 89120429 in words is "eighty-nine million, one hundred twenty thousand, four hundred twenty-nine".