89890429 has 8 divisors (see below), whose sum is σ = 90554240. Its totient is φ = 89229600.

The previous prime is 89890403. The next prime is 89890433. The reversal of 89890429 is 92409898.

It is a happy number.

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 89890429 - 2⁵ = 89890397 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 (89890439) 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, 110434 + ... + 111244.

It is an arithmetic number, because the mean of its divisors is an integer number (11319280).

Almost surely, 2^89890429 is an apocalyptic number.

It is an amenable number.

89890429 is a deficient number, since it is larger than the sum of its proper divisors (663811).

89890429 is a wasteful number, since it uses less digits than its factorization.

89890429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 89890429 is about 9481.0563230054. The cubic root of 89890429 is about 447.9585370986.

The spelling of 89890429 in words is "eighty-nine million, eight hundred ninety thousand, four hundred twenty-nine".