90279033 has 16 divisors (see below), whose sum is σ = 129951360. Its totient is φ = 55419264.

The previous prime is 90279029. The next prime is 90279041. The reversal of 90279033 is 33097209.

It is not a de Polignac number, because 90279033 - 2² = 90279029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90278985 and 90279003.

It is not an unprimeable number, because it can be changed into a prime (90279023) 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 15 ways as a sum of consecutive naturals, for example, 14485 + ... + 19757.

It is an arithmetic number, because the mean of its divisors is an integer number (8121960).

Almost surely, 2^90279033 is an apocalyptic number.

It is an amenable number.

90279033 is a deficient number, since it is larger than the sum of its proper divisors (39672327).

90279033 is a wasteful number, since it uses less digits than its factorization.

90279033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728.

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 90279033 is about 9501.5279297595. The cubic root of 90279033 is about 448.6031301140.

The spelling of 90279033 in words is "ninety million, two hundred seventy-nine thousand, thirty-three".