90473698 has 12 divisors (see below), whose sum is σ = 157867542. Its totient is φ = 38774400.

The previous prime is 90473693. The next prime is 90473699. The reversal of 90473698 is 89637409.

It can be written as a sum of positive squares in only one way, i.e., 63568729 + 26904969 = 7973^2 + 5187^2 .

It is not an unprimeable number, because it can be changed into a prime (90473693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 461503 + ... + 461698.

Almost surely, 2^90473698 is an apocalyptic number.

90473698 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

90473698 is a deficient number, since it is larger than the sum of its proper divisors (67393844).

90473698 is a wasteful number, since it uses less digits than its factorization.

90473698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923217 (or 923210 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 90473698 is about 9511.7662923350. The cubic root of 90473698 is about 448.9253335231.

The spelling of 90473698 in words is "ninety million, four hundred seventy-three thousand, six hundred ninety-eight".