90648415 has 16 divisors (see below), whose sum is σ = 127796256. Its totient is φ = 60854400.

The previous prime is 90648361. The next prime is 90648419. The reversal of 90648415 is 51484609.

It is a happy number.

It is not a de Polignac number, because 90648415 - 2¹³ = 90640223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90648419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62676 + ... + 64105.

It is an arithmetic number, because the mean of its divisors is an integer number (7987266).

Almost surely, 2^90648415 is an apocalyptic number.

90648415 is a deficient number, since it is larger than the sum of its proper divisors (37147841).

90648415 is a wasteful number, since it uses less digits than its factorization.

90648415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126810.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 90648415 is about 9520.9461189527. The cubic root of 90648415 is about 449.2141263025.

The spelling of 90648415 in words is "ninety million, six hundred forty-eight thousand, four hundred fifteen".