89400471 has 12 divisors (see below), whose sum is σ = 124610808. Its totient is φ = 57007984.

The previous prime is 89400419. The next prime is 89400481. The reversal of 89400471 is 17400498.

It is not a de Polignac number, because 89400471 - 2⁶ = 89400407 is a prime.

It is a super-3 number, since 3×89400471³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89400401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26580 + ... + 29753.

It is an arithmetic number, because the mean of its divisors is an integer number (10384234).

Almost surely, 2^89400471 is an apocalyptic number.

89400471 is a deficient number, since it is larger than the sum of its proper divisors (35210337).

89400471 is a wasteful number, since it uses less digits than its factorization.

89400471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56382 (or 56359 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 89400471 is about 9455.1822298674. The cubic root of 89400471 is about 447.1431709105.

The spelling of 89400471 in words is "eighty-nine million, four hundred thousand, four hundred seventy-one".