90303403 has 8 divisors (see below), whose sum is σ = 95201280. Its totient is φ = 85529640.

The previous prime is 90303379. The next prime is 90303407. The reversal of 90303403 is 30430309.

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

It is a cyclic number.

It is not a de Polignac number, because 90303403 - 2¹⁷ = 90172331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90303407) 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, 29533 + ... + 32446.

It is an arithmetic number, because the mean of its divisors is an integer number (11900160).

Almost surely, 2^90303403 is an apocalyptic number.

90303403 is a deficient number, since it is larger than the sum of its proper divisors (4897877).

90303403 is a wasteful number, since it uses less digits than its factorization.

90303403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62057.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 90303403 is about 9502.8102685469. The cubic root of 90303403 is about 448.6434919210.

The spelling of 90303403 in words is "ninety million, three hundred three thousand, four hundred three".