89670426 has 32 divisors (see below), whose sum is σ = 183688128. Its totient is φ = 29174400.

The previous prime is 89670421. The next prime is 89670433. The reversal of 89670426 is 62407698.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89670421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43225 + ... + 45251.

It is an arithmetic number, because the mean of its divisors is an integer number (5740254).

Almost surely, 2^89670426 is an apocalyptic number.

89670426 is an abundant number, since it is smaller than the sum of its proper divisors (94017702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89670426 is a wasteful number, since it uses less digits than its factorization.

89670426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 89670426 is about 9469.4469743486. The cubic root of 89670426 is about 447.5927853961.

The spelling of 89670426 in words is "eighty-nine million, six hundred seventy thousand, four hundred twenty-six".