90342933 has 4 divisors (see below), whose sum is σ = 120457248. Its totient is φ = 60228620.

The previous prime is 90342893. The next prime is 90342943. The reversal of 90342933 is 33924309.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33924309 = 3 ⋅11308103.

It is a cyclic number.

It is not a de Polignac number, because 90342933 - 2⁸ = 90342677 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90342894 and 90342903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90342943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15057153 + ... + 15057158.

It is an arithmetic number, because the mean of its divisors is an integer number (30114312).

Almost surely, 2^90342933 is an apocalyptic number.

It is an amenable number.

90342933 is a deficient number, since it is larger than the sum of its proper divisors (30114315).

90342933 is a wasteful number, since it uses less digits than its factorization.

90342933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30114314.

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 90342933 is about 9504.8899520194. The cubic root of 90342933 is about 448.7089464129.

The spelling of 90342933 in words is "ninety million, three hundred forty-two thousand, nine hundred thirty-three".