89378641 has 16 divisors (see below), whose sum is σ = 103219200. Its totient is φ = 76539600.

The previous prime is 89378629. The next prime is 89378651. The reversal of 89378641 is 14687398.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-89378641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89378591 and 89378600.

It is not an unprimeable number, because it can be changed into a prime (89378651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38800 + ... + 41038.

It is an arithmetic number, because the mean of its divisors is an integer number (6451200).

Almost surely, 2^89378641 is an apocalyptic number.

It is an amenable number.

89378641 is a deficient number, since it is larger than the sum of its proper divisors (13840559).

89378641 is a wasteful number, since it uses less digits than its factorization.

89378641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460.

The product of its digits is 290304, while the sum is 46.

The square root of 89378641 is about 9454.0277659842. The cubic root of 89378641 is about 447.1067731529.

It can be divided in two parts, 8937 and 8641, that added together give a triangular number (17578 = T₁₈₇).

The spelling of 89378641 in words is "eighty-nine million, three hundred seventy-eight thousand, six hundred forty-one".