89671394 has 16 divisors (see below), whose sum is σ = 137707776. Its totient is φ = 43773600.

The previous prime is 89671391. The next prime is 89671397. The reversal of 89671394 is 49317698.

It is an interprime number because it is at equal distance from previous prime (89671391) and next prime (89671397).

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89671391) 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, 48059 + ... + 49889.

It is an arithmetic number, because the mean of its divisors is an integer number (8606736).

Almost surely, 2^89671394 is an apocalyptic number.

89671394 is a deficient number, since it is larger than the sum of its proper divisors (48036382).

89671394 is a wasteful number, since it uses less digits than its factorization.

89671394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401.

The product of its digits is 326592, while the sum is 47.

The square root of 89671394 is about 9469.4980859600. The cubic root of 89671394 is about 447.5943959913.

The spelling of 89671394 in words is "eighty-nine million, six hundred seventy-one thousand, three hundred ninety-four".