90003430 has 24 divisors (see below), whose sum is σ = 178075296. Its totient is φ = 32728080.

The previous prime is 90003413. The next prime is 90003461. The reversal of 90003430 is 3430009.

It is a junction number, because it is equal to n+sod(n) for n = 90003398 and 90003407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35982 + ... + 38401.

It is an arithmetic number, because the mean of its divisors is an integer number (7419804).

Almost surely, 2^90003430 is an apocalyptic number.

90003430 is a deficient number, since it is larger than the sum of its proper divisors (88071866).

90003430 is a wasteful number, since it uses less digits than its factorization.

90003430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74412 (or 74401 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 90003430 is about 9487.0137556557. The cubic root of 90003430 is about 448.1461676272.

Adding to 90003430 its reverse (3430009), we get a palindrome (93433439).

The spelling of 90003430 in words is "ninety million, three thousand, four hundred thirty".