89696890 has 8 divisors (see below), whose sum is σ = 161454420. Its totient is φ = 35878752.

The previous prime is 89696861. The next prime is 89696897. The reversal of 89696890 is 9869698.

It can be written as a sum of positive squares in 2 ways, for example, as 88566921 + 1129969 = 9411^2 + 1063^2 .

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 (89696897) 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, 4484835 + ... + 4484854.

Almost surely, 2^89696890 is an apocalyptic number.

89696890 is a deficient number, since it is larger than the sum of its proper divisors (71757530).

89696890 is a wasteful number, since it uses less digits than its factorization.

89696890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8969696.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 89696890 is about 9470.8442073555. The cubic root of 89696890 is about 447.6368130313.

The spelling of 89696890 in words is "eighty-nine million, six hundred ninety-six thousand, eight hundred ninety".