90280371 has 8 divisors (see below), whose sum is σ = 120478864. Its totient is φ = 60134400.

The previous prime is 90280369. The next prime is 90280403. The reversal of 90280371 is 17308209.

It is a happy number.

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

It is not a de Polignac number, because 90280371 - 2¹ = 90280369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90280301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8926 + ... + 16131.

It is an arithmetic number, because the mean of its divisors is an integer number (15059858).

Almost surely, 2^90280371 is an apocalyptic number.

90280371 is a deficient number, since it is larger than the sum of its proper divisors (30198493).

90280371 is a wasteful number, since it uses less digits than its factorization.

90280371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26261.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 90280371 is about 9501.5983392269. The cubic root of 90280371 is about 448.6053463097.

The spelling of 90280371 in words is "ninety million, two hundred eighty thousand, three hundred seventy-one".