90018614 has 16 divisors (see below), whose sum is σ = 154442400. Its totient is φ = 38548224.

The previous prime is 90018611. The next prime is 90018653. The reversal of 90018614 is 41681009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90018611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26822 + ... + 29990.

It is an arithmetic number, because the mean of its divisors is an integer number (9652650).

Almost surely, 2^90018614 is an apocalyptic number.

90018614 is a deficient number, since it is larger than the sum of its proper divisors (64423786).

90018614 is a wasteful number, since it uses less digits than its factorization.

90018614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5207.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 90018614 is about 9487.8139737244. The cubic root of 90018614 is about 448.1713676623.

The spelling of 90018614 in words is "ninety million, eighteen thousand, six hundred fourteen".