89640382 has 16 divisors (see below), whose sum is σ = 145192320. Its totient is φ = 41261472.

The previous prime is 89640379. The next prime is 89640389. The reversal of 89640382 is 28304698.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89640389) 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, 5683 + ... + 14545.

It is an arithmetic number, because the mean of its divisors is an integer number (9074520).

Almost surely, 2^89640382 is an apocalyptic number.

89640382 is a deficient number, since it is larger than the sum of its proper divisors (55551938).

89640382 is a wasteful number, since it uses less digits than its factorization.

89640382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9267.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 89640382 is about 9467.8604763695. The cubic root of 89640382 is about 447.5427912848.

The spelling of 89640382 in words is "eighty-nine million, six hundred forty thousand, three hundred eighty-two".