89809546 has 4 divisors (see below), whose sum is σ = 134714322. Its totient is φ = 44904772.

The previous prime is 89809543. The next prime is 89809591. The reversal of 89809546 is 64590898.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 89019225 + 790321 = 9435^2 + 889^2 .

It is a super-2 number, since 2×89809546² = 16131509105452232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89809546.

It is not an unprimeable number, because it can be changed into a prime (89809543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22452385 + ... + 22452388.

Almost surely, 2^89809546 is an apocalyptic number.

89809546 is a deficient number, since it is larger than the sum of its proper divisors (44904776).

89809546 is a wasteful number, since it uses less digits than its factorization.

89809546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44904775.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 89809546 is about 9476.7898573304. The cubic root of 89809546 is about 447.8241397610.

The spelling of 89809546 in words is "eighty-nine million, eight hundred nine thousand, five hundred forty-six".