90803430 has 40 divisors (see below), whose sum is σ = 244162512. Its totient is φ = 24214032.

The previous prime is 90803423. The next prime is 90803521. The reversal of 90803430 is 3430809.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90803394 and 90803403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55242 + ... + 56861.

Almost surely, 2^90803430 is an apocalyptic number.

90803430 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

90803430 is an abundant number, since it is smaller than the sum of its proper divisors (153359082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90803430 is a wasteful number, since it uses less digits than its factorization.

90803430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112122 (or 112113 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 90803430 is about 9529.0833766947. The cubic root of 90803430 is about 449.4700427902.

The spelling of 90803430 in words is "ninety million, eight hundred three thousand, four hundred thirty".