89145406 has 24 divisors (see below), whose sum is σ = 155890440. Its totient is φ = 38121552.

The previous prime is 89145389. The next prime is 89145409. The reversal of 89145406 is 60454198.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89145409) 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, 68841 + ... + 70123.

It is an arithmetic number, because the mean of its divisors is an integer number (6495435).

Almost surely, 2^89145406 is an apocalyptic number.

89145406 is a deficient number, since it is larger than the sum of its proper divisors (66745034).

89145406 is a wasteful number, since it uses less digits than its factorization.

89145406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008 (or 2001 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 89145406 is about 9441.6844895389. The cubic root of 89145406 is about 446.7175236021.

The spelling of 89145406 in words is "eighty-nine million, one hundred forty-five thousand, four hundred six".