90894844 has 6 divisors (see below), whose sum is σ = 159065984. Its totient is φ = 45447420.

The previous prime is 90894779. The next prime is 90894847. The reversal of 90894844 is 44849809.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 90894794 and 90894803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90894847) by changing a digit.

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 as a sum of consecutive naturals, namely, 11361852 + ... + 11361859.

Almost surely, 2^90894844 is an apocalyptic number.

It is an amenable number.

90894844 is a deficient number, since it is larger than the sum of its proper divisors (68171140).

90894844 is a wasteful number, since it uses less digits than its factorization.

90894844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22723715 (or 22723713 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 90894844 is about 9533.8787489668. The cubic root of 90894844 is about 449.6208229761.

The spelling of 90894844 in words is "ninety million, eight hundred ninety-four thousand, eight hundred forty-four".