90456873 has 8 divisors (see below), whose sum is σ = 129886848. Its totient is φ = 55665744.

The previous prime is 90456859. The next prime is 90456889. The reversal of 90456873 is 37865409.

It is a happy number.

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

It is not a de Polignac number, because 90456873 - 2¹² = 90452777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90456833) 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 7 ways as a sum of consecutive naturals, for example, 1159665 + ... + 1159742.

It is an arithmetic number, because the mean of its divisors is an integer number (16235856).

Almost surely, 2^90456873 is an apocalyptic number.

It is an amenable number.

90456873 is a deficient number, since it is larger than the sum of its proper divisors (39429975).

90456873 is a wasteful number, since it uses less digits than its factorization.

90456873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319423.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 90456873 is about 9510.8818203151. The cubic root of 90456873 is about 448.8975035675.

The spelling of 90456873 in words is "ninety million, four hundred fifty-six thousand, eight hundred seventy-three".