90419506 has 16 divisors (see below), whose sum is σ = 142689600. Its totient is φ = 42909328.

The previous prime is 90419501. The next prime is 90419521. The reversal of 90419506 is 60591409.

It is not an unprimeable number, because it can be changed into a prime (90419501) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9790 + ... + 16633.

It is an arithmetic number, because the mean of its divisors is an integer number (8918100).

Almost surely, 2^90419506 is an apocalyptic number.

90419506 is a deficient number, since it is larger than the sum of its proper divisors (52270094).

90419506 is a wasteful number, since it uses less digits than its factorization.

90419506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26513.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 90419506 is about 9508.9171833600. The cubic root of 90419506 is about 448.8356830825.

The spelling of 90419506 in words is "ninety million, four hundred nineteen thousand, five hundred six".