89643406 has 16 divisors (see below), whose sum is σ = 141989760. Its totient is φ = 42328440.

The previous prime is 89643401. The next prime is 89643419. The reversal of 89643406 is 60434698.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89643401) 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, 9015 + ... + 16141.

It is an arithmetic number, because the mean of its divisors is an integer number (8874360).

Almost surely, 2^89643406 is an apocalyptic number.

89643406 is a deficient number, since it is larger than the sum of its proper divisors (52346354).

89643406 is a wasteful number, since it uses less digits than its factorization.

89643406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7479.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 89643406 is about 9468.0201731935. The cubic root of 89643406 is about 447.5478238165.

The spelling of 89643406 in words is "eighty-nine million, six hundred forty-three thousand, four hundred six".