90894105 has 12 divisors (see below), whose sum is σ = 157549860. Its totient is φ = 48476832.

The previous prime is 90894073. The next prime is 90894107. The reversal of 90894105 is 50149809.

It can be written as a sum of positive squares in 2 ways, for example, as 54641664 + 36252441 = 7392^2 + 6021^2 .

It is not a de Polignac number, because 90894105 - 2⁵ = 90894073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90894105.

It is not an unprimeable number, because it can be changed into a prime (90894107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1009890 + ... + 1009979.

It is an arithmetic number, because the mean of its divisors is an integer number (13129155).

Almost surely, 2^90894105 is an apocalyptic number.

It is an amenable number.

90894105 is a deficient number, since it is larger than the sum of its proper divisors (66655755).

90894105 is a wasteful number, since it uses less digits than its factorization.

90894105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019880 (or 2019877 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 90894105 is about 9533.8399923640. The cubic root of 90894105 is about 449.6196044593.

The spelling of 90894105 in words is "ninety million, eight hundred ninety-four thousand, one hundred five".