90006248 has 16 divisors (see below), whose sum is σ = 169253280. Its totient is φ = 44872048.

The previous prime is 90006233. The next prime is 90006263. The reversal of 90006248 is 84260009.

It is an interprime number because it is at equal distance from previous prime (90006233) and next prime (90006263).

It is a super-2 number, since 2×90006248² = 16202249358075008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90006248.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13436 + ... + 18987.

It is an arithmetic number, because the mean of its divisors is an integer number (10578330).

Almost surely, 2^90006248 is an apocalyptic number.

It is an amenable number.

90006248 is a deficient number, since it is larger than the sum of its proper divisors (79247032).

90006248 is a wasteful number, since it uses less digits than its factorization.

90006248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32776 (or 32772 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 90006248 is about 9487.1622733039. The cubic root of 90006248 is about 448.1508447183.

The spelling of 90006248 in words is "ninety million, six thousand, two hundred forty-eight".