90669248 has 42 divisors (see below), whose sum is σ = 183030876. Its totient is φ = 44563584.

The previous prime is 90669223. The next prime is 90669269. The reversal of 90669248 is 84296609.

It is a junction number, because it is equal to n+sod(n) for n = 90669199 and 90669208.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 399311 + ... + 399537.

It is an arithmetic number, because the mean of its divisors is an integer number (4357878).

Almost surely, 2^90669248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90669248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91515438).

90669248 is an abundant number, since it is smaller than the sum of its proper divisors (92361628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90669248 is an equidigital number, since it uses as much as digits as its factorization.

90669248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 90669248 is about 9522.0401175378. The cubic root of 90669248 is about 449.2485367628.

The spelling of 90669248 in words is "ninety million, six hundred sixty-nine thousand, two hundred forty-eight".