90587434 has 8 divisors (see below), whose sum is σ = 155292768. Its totient is φ = 38823180.

The previous prime is 90587353. The next prime is 90587447. The reversal of 90587434 is 43478509.

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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, 3235252 + ... + 3235279.

It is an arithmetic number, because the mean of its divisors is an integer number (19411596).

Almost surely, 2^90587434 is an apocalyptic number.

90587434 is a deficient number, since it is larger than the sum of its proper divisors (64705334).

90587434 is a wasteful number, since it uses less digits than its factorization.

90587434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470540.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 90587434 is about 9517.7431148356. The cubic root of 90587434 is about 449.1133719332.

The spelling of 90587434 in words is "ninety million, five hundred eighty-seven thousand, four hundred thirty-four".