90243914 has 32 divisors (see below), whose sum is σ = 143671296. Its totient is φ = 42456960.

The previous prime is 90243899. The next prime is 90243917. The reversal of 90243914 is 41934209.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90243917) 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, 574724 + ... + 574880.

It is an arithmetic number, because the mean of its divisors is an integer number (4489728).

Almost surely, 2^90243914 is an apocalyptic number.

90243914 is a deficient number, since it is larger than the sum of its proper divisors (53427382).

90243914 is a wasteful number, since it uses less digits than its factorization.

90243914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 90243914 is about 9499.6796788102. The cubic root of 90243914 is about 448.5449529415.

The spelling of 90243914 in words is "ninety million, two hundred forty-three thousand, nine hundred fourteen".