90648002 has 8 divisors (see below), whose sum is σ = 139647036. Its totient is φ = 44098992.

The previous prime is 90648001. The next prime is 90648011. The reversal of 90648002 is 20084609.

It can be written as a sum of positive squares in 2 ways, for example, as 89889361 + 758641 = 9481^2 + 871^2 .

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

It is not an unprimeable number, because it can be changed into a prime (90648001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612413 + ... + 612560.

Almost surely, 2^90648002 is an apocalyptic number.

90648002 is a deficient number, since it is larger than the sum of its proper divisors (48999034).

90648002 is a wasteful number, since it uses less digits than its factorization.

90648002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225012.

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

The square root of 90648002 is about 9520.9244299070. The cubic root of 90648002 is about 449.2134440853.

The spelling of 90648002 in words is "ninety million, six hundred forty-eight thousand, two".