89209970 has 16 divisors (see below), whose sum is σ = 160866648. Its totient is φ = 35619840.

The previous prime is 89209969. The next prime is 89210021. The reversal of 89209970 is 7990298.

It can be written as a sum of positive squares in 4 ways, for example, as 82864609 + 6345361 = 9103^2 + 2519^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1961 + ... + 13500.

Almost surely, 2^89209970 is an apocalyptic number.

89209970 is a deficient number, since it is larger than the sum of its proper divisors (71656678).

89209970 is a wasteful number, since it uses less digits than its factorization.

89209970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16045.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 89209970 is about 9445.1029639703. The cubic root of 89209970 is about 446.8253433666.

The spelling of 89209970 in words is "eighty-nine million, two hundred nine thousand, nine hundred seventy".