90893847 has 16 divisors (see below), whose sum is σ = 132883200. Its totient is φ = 54806400.

The previous prime is 90893827. The next prime is 90893879. The reversal of 90893847 is 74839809.

It is not a de Polignac number, because 90893847 - 2¹¹ = 90891799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90893796 and 90893805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90893827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354 + ... + 13487.

It is an arithmetic number, because the mean of its divisors is an integer number (8305200).

Almost surely, 2^90893847 is an apocalyptic number.

90893847 is a deficient number, since it is larger than the sum of its proper divisors (41989353).

90893847 is a wasteful number, since it uses less digits than its factorization.

90893847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14054.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 90893847 is about 9533.8264616050. The cubic root of 90893847 is about 449.6191790486.

The spelling of 90893847 in words is "ninety million, eight hundred ninety-three thousand, eight hundred forty-seven".