90034480 has 20 divisors (see below), whose sum is σ = 209330352. Its totient is φ = 36013760.

The previous prime is 90034471. The next prime is 90034487. The reversal of 90034480 is 8443009.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (90034487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562636 + ... + 562795.

Almost surely, 2^90034480 is an apocalyptic number.

It is an amenable number.

90034480 is an abundant number, since it is smaller than the sum of its proper divisors (119295872).

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

90034480 is a wasteful number, since it uses less digits than its factorization.

90034480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125444 (or 1125438 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 90034480 is about 9488.6500620478. The cubic root of 90034480 is about 448.1976965473.

Adding to 90034480 its reverse (8443009), we get a palindrome (98477489).

The spelling of 90034480 in words is "ninety million, thirty-four thousand, four hundred eighty".