90184049 has 4 divisors (see below), whose sum is σ = 90543600. Its totient is φ = 89824500.

The previous prime is 90184027. The next prime is 90184063. The reversal of 90184049 is 94048109.

90184049 = T₆₂ + T₆₃ + ... + T₈₁₄.

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: 94048109 = 397 ⋅236897.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90184049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90184009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179399 + ... + 179900.

It is an arithmetic number, because the mean of its divisors is an integer number (22635900).

Almost surely, 2^90184049 is an apocalyptic number.

It is an amenable number.

90184049 is a deficient number, since it is larger than the sum of its proper divisors (359551).

90184049 is a wasteful number, since it uses less digits than its factorization.

90184049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359550.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 90184049 is about 9496.5282603697. The cubic root of 90184049 is about 448.4457474208.

The spelling of 90184049 in words is "ninety million, one hundred eighty-four thousand, forty-nine".