90437098 has 8 divisors (see below), whose sum is σ = 136359108. Its totient is φ = 44984064.

The previous prime is 90437047. The next prime is 90437099. The reversal of 90437098 is 89073409.

It can be written as a sum of positive squares in 2 ways, for example, as 81775849 + 8661249 = 9043^2 + 2943^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 90437098.

It is not an unprimeable number, because it can be changed into a prime (90437099) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 116761 + ... + 117532.

Almost surely, 2^90437098 is an apocalyptic number.

90437098 is a deficient number, since it is larger than the sum of its proper divisors (45922010).

90437098 is a wasteful number, since it uses less digits than its factorization.

90437098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234488.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 90437098 is about 9509.8421648311. The cubic root of 90437098 is about 448.8647896536.

The spelling of 90437098 in words is "ninety million, four hundred thirty-seven thousand, ninety-eight".