89291138 has 8 divisors (see below), whose sum is σ = 137556732. Its totient is φ = 43438896.

The previous prime is 89291113. The next prime is 89291143. The reversal of 89291138 is 83119298.

It can be written as a sum of positive squares in 2 ways, for example, as 66471409 + 22819729 = 8153^2 + 4777^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 89291095 and 89291104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603245 + ... + 603392.

Almost surely, 2^89291138 is an apocalyptic number.

89291138 is a deficient number, since it is larger than the sum of its proper divisors (48265594).

89291138 is a wasteful number, since it uses less digits than its factorization.

89291138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206676.

The product of its digits is 31104, while the sum is 41.

The square root of 89291138 is about 9449.3988168560. The cubic root of 89291138 is about 446.9608174828.

The spelling of 89291138 in words is "eighty-nine million, two hundred ninety-one thousand, one hundred thirty-eight".