90256844 has 6 divisors (see below), whose sum is σ = 157949484. Its totient is φ = 45128420.

The previous prime is 90256823. The next prime is 90256861. The reversal of 90256844 is 44865209.

It is a junction number, because it is equal to n+sod(n) for n = 90256798 and 90256807.

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 as a sum of consecutive naturals, namely, 11282102 + ... + 11282109.

It is an arithmetic number, because the mean of its divisors is an integer number (26324914).

Almost surely, 2^90256844 is an apocalyptic number.

It is an amenable number.

90256844 is a deficient number, since it is larger than the sum of its proper divisors (67692640).

90256844 is a wasteful number, since it uses less digits than its factorization.

90256844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22564215 (or 22564213 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 90256844 is about 9500.3602036975. The cubic root of 90256844 is about 448.5663741802.

The spelling of 90256844 in words is "ninety million, two hundred fifty-six thousand, eight hundred forty-four".