89190649 has 4 divisors (see below), whose sum is σ = 89312080. Its totient is φ = 89069220.

The previous prime is 89190637. The next prime is 89190733. The reversal of 89190649 is 94609198.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89190649 - 2⁹ = 89190137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89190599 and 89190608.

It is not an unprimeable number, because it can be changed into a prime (89190749) 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, 59607 + ... + 61084.

It is an arithmetic number, because the mean of its divisors is an integer number (22328020).

Almost surely, 2^89190649 is an apocalyptic number.

It is an amenable number.

89190649 is a deficient number, since it is larger than the sum of its proper divisors (121431).

89190649 is a wasteful number, since it uses less digits than its factorization.

89190649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121430.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 89190649 is about 9444.0801034299. The cubic root of 89190649 is about 446.7930833857.

The spelling of 89190649 in words is "eighty-nine million, one hundred ninety thousand, six hundred forty-nine".