89693240 has 128 divisors (see below), whose sum is σ = 254862720. Its totient is φ = 27648000.

The previous prime is 89693213. The next prime is 89693267. The reversal of 89693240 is 4239698.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (89693213) and next prime (89693267).

It is a super-3 number, since 3×89693240³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148940 + ... + 149540.

It is an arithmetic number, because the mean of its divisors is an integer number (1991115).

Almost surely, 2^89693240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89693240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127431360).

89693240 is an abundant number, since it is smaller than the sum of its proper divisors (165169480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89693240 is a wasteful number, since it uses less digits than its factorization.

89693240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 89693240 is about 9470.6515087400. The cubic root of 89693240 is about 447.6307411131.

The spelling of 89693240 in words is "eighty-nine million, six hundred ninety-three thousand, two hundred forty".