90625406 has 16 divisors (see below), whose sum is σ = 142730640. Its totient is φ = 43095360.

The previous prime is 90625397. The next prime is 90625417. The reversal of 90625406 is 60452609.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7775 + ... + 15546.

It is an arithmetic number, because the mean of its divisors is an integer number (8920665).

Almost surely, 2^90625406 is an apocalyptic number.

90625406 is a deficient number, since it is larger than the sum of its proper divisors (52105234).

90625406 is a wasteful number, since it uses less digits than its factorization.

90625406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23419.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 90625406 is about 9519.7377064707. The cubic root of 90625406 is about 449.1761155534.

The spelling of 90625406 in words is "ninety million, six hundred twenty-five thousand, four hundred six".