90248867 has 4 divisors (see below), whose sum is σ = 90959616. Its totient is φ = 89538120.

The previous prime is 90248863. The next prime is 90248927. The reversal of 90248867 is 76884209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76884209 = 1693 ⋅45413.

It is a cyclic number.

It is not a de Polignac number, because 90248867 - 2² = 90248863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90248863) 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, 355184 + ... + 355437.

It is an arithmetic number, because the mean of its divisors is an integer number (22739904).

Almost surely, 2^90248867 is an apocalyptic number.

90248867 is a deficient number, since it is larger than the sum of its proper divisors (710749).

90248867 is a wasteful number, since it uses less digits than its factorization.

90248867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710748.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 90248867 is about 9499.9403682339. The cubic root of 90248867 is about 448.5531588596.

The spelling of 90248867 in words is "ninety million, two hundred forty-eight thousand, eight hundred sixty-seven".