89306439 has 8 divisors (see below), whose sum is σ = 121608960. Its totient is φ = 58270776.

The previous prime is 89306429. The next prime is 89306489. The reversal of 89306439 is 93460398.

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

It is not a de Polignac number, because 89306439 - 2⁸ = 89306183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89306439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89306429) 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, 316549 + ... + 316830.

It is an arithmetic number, because the mean of its divisors is an integer number (15201120).

Almost surely, 2^89306439 is an apocalyptic number.

89306439 is a deficient number, since it is larger than the sum of its proper divisors (32302521).

89306439 is a wasteful number, since it uses less digits than its factorization.

89306439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633429.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 89306439 is about 9450.2084104003. The cubic root of 89306439 is about 446.9863465443.

The spelling of 89306439 in words is "eighty-nine million, three hundred six thousand, four hundred thirty-nine".