90441006 has 16 divisors (see below), whose sum is σ = 182542800. Its totient is φ = 29870208.

The previous prime is 90440993. The next prime is 90441011. The reversal of 90441006 is 60014409.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 68491 + ... + 69798.

It is an arithmetic number, because the mean of its divisors is an integer number (11408925).

Almost surely, 2^90441006 is an apocalyptic number.

90441006 is an abundant number, since it is smaller than the sum of its proper divisors (92101794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90441006 is a wasteful number, since it uses less digits than its factorization.

90441006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138403.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 90441006 is about 9510.0476339501. The cubic root of 90441006 is about 448.8712550620.

The spelling of 90441006 in words is "ninety million, four hundred forty-one thousand, six".