90407329 has 4 divisors (see below), whose sum is σ = 90659520. Its totient is φ = 90155140.

The previous prime is 90407267. The next prime is 90407333. The reversal of 90407329 is 92370409.

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.

It is a cyclic number.

It is not a de Polignac number, because 90407329 - 2¹⁷ = 90276257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90407294 and 90407303.

It is not an unprimeable number, because it can be changed into a prime (90407399) 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, 125557 + ... + 126274.

It is an arithmetic number, because the mean of its divisors is an integer number (22664880).

Almost surely, 2^90407329 is an apocalyptic number.

It is an amenable number.

90407329 is a deficient number, since it is larger than the sum of its proper divisors (252191).

90407329 is a wasteful number, since it uses less digits than its factorization.

90407329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252190.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 90407329 is about 9508.2768680766. The cubic root of 90407329 is about 448.8155336048.

The spelling of 90407329 in words is "ninety million, four hundred seven thousand, three hundred twenty-nine".