90034249 has 4 divisors (see below), whose sum is σ = 90075520. Its totient is φ = 89992980.

The previous prime is 90034181. The next prime is 90034253. The reversal of 90034249 is 94243009.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94243009 = 7 ⋅13463287.

It is a cyclic number.

It is not a de Polignac number, because 90034249 - 2⁹ = 90033737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90034249.

It is not an unprimeable number, because it can be changed into a prime (90034289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17169 + ... + 21790.

It is an arithmetic number, because the mean of its divisors is an integer number (22518880).

Almost surely, 2^90034249 is an apocalyptic number.

It is an amenable number.

90034249 is a deficient number, since it is larger than the sum of its proper divisors (41271).

90034249 is a wasteful number, since it uses less digits than its factorization.

90034249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41270.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 90034249 is about 9488.6378896025. The cubic root of 90034249 is about 448.1973132358.

The spelling of 90034249 in words is "ninety million, thirty-four thousand, two hundred forty-nine".