90389283 has 4 divisors (see below), whose sum is σ = 120519048. Its totient is φ = 60259520.

The previous prime is 90389281. The next prime is 90389291. The reversal of 90389283 is 38298309.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90389283 - 2¹ = 90389281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90389281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15064878 + ... + 15064883.

It is an arithmetic number, because the mean of its divisors is an integer number (30129762).

Almost surely, 2^90389283 is an apocalyptic number.

90389283 is a deficient number, since it is larger than the sum of its proper divisors (30129765).

90389283 is a wasteful number, since it uses less digits than its factorization.

90389283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30129764.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 90389283 is about 9507.3278580261. The cubic root of 90389283 is about 448.7856692705.

The spelling of 90389283 in words is "ninety million, three hundred eighty-nine thousand, two hundred eighty-three".