90487834 has 8 divisors (see below), whose sum is σ = 136237140. Its totient is φ = 45075456.

The previous prime is 90487763. The next prime is 90487841. The reversal of 90487834 is 43878409.

It can be written as a sum of positive squares in 2 ways, for example, as 74909025 + 15578809 = 8655^2 + 3947^2 .

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

It is an unprimeable number.

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, 83559 + ... + 84634.

Almost surely, 2^90487834 is an apocalyptic number.

90487834 is a deficient number, since it is larger than the sum of its proper divisors (45749306).

90487834 is a wasteful number, since it uses less digits than its factorization.

90487834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168464.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 90487834 is about 9512.5093429652. The cubic root of 90487834 is about 448.9487129810.

The spelling of 90487834 in words is "ninety million, four hundred eighty-seven thousand, eight hundred thirty-four".