89661962 has 8 divisors (see below), whose sum is σ = 144838596. Its totient is φ = 41382432.

The previous prime is 89661959. The next prime is 89661967. The reversal of 89661962 is 26916698.

It is a Cunningham number, because it is equal to 9469²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 89661961 + 1 = 9469^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (89661967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1724243 + ... + 1724294.

Almost surely, 2^89661962 is an apocalyptic number.

89661962 is a deficient number, since it is larger than the sum of its proper divisors (55176634).

89661962 is a wasteful number, since it uses less digits than its factorization.

89661962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448552.

The product of its digits is 279936, while the sum is 47.

The square root of 89661962 is about 9469.0000528039. Note that the first 4 decimals coincide. The cubic root of 89661962 is about 447.5787021779.

The spelling of 89661962 in words is "eighty-nine million, six hundred sixty-one thousand, nine hundred sixty-two".