90453866 has 8 divisors (see below), whose sum is σ = 136123680. Its totient is φ = 45079308.

The previous prime is 90453827. The next prime is 90453907. The reversal of 90453866 is 66835409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73046 + ... + 74273.

It is an arithmetic number, because the mean of its divisors is an integer number (17015460).

Almost surely, 2^90453866 is an apocalyptic number.

90453866 is a deficient number, since it is larger than the sum of its proper divisors (45669814).

90453866 is a wasteful number, since it uses less digits than its factorization.

90453866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147628.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 90453866 is about 9510.7237369193. The cubic root of 90453866 is about 448.8925293748.

It can be divided in two parts, 90453 and 866, that added together give a palindrome (91319).

The spelling of 90453866 in words is "ninety million, four hundred fifty-three thousand, eight hundred sixty-six".