89669738 has 8 divisors (see below), whose sum is σ = 134558820. Its totient is φ = 44816800.

The previous prime is 89669737. The next prime is 89669743. The reversal of 89669738 is 83796698.

It can be written as a sum of positive squares in 2 ways, for example, as 63792169 + 25877569 = 7987^2 + 5087^2 .

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 (89669731) 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, 1613 + ... + 13488.

Almost surely, 2^89669738 is an apocalyptic number.

89669738 is a deficient number, since it is larger than the sum of its proper divisors (44889082).

89669738 is a wasteful number, since it uses less digits than its factorization.

89669738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18072.

The product of its digits is 3919104, while the sum is 56.

The square root of 89669738 is about 9469.4106469199. The cubic root of 89669738 is about 447.5916406686.

The spelling of 89669738 in words is "eighty-nine million, six hundred sixty-nine thousand, seven hundred thirty-eight".