90430961 has 8 divisors (see below), whose sum is σ = 95541120. Its totient is φ = 85453648.

The previous prime is 90430957. The next prime is 90430969. The reversal of 90430961 is 16903409.

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

It is a cyclic number.

It is not a de Polignac number, because 90430961 - 2² = 90430957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90430969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31811 + ... + 34536.

It is an arithmetic number, because the mean of its divisors is an integer number (11942640).

Almost surely, 2^90430961 is an apocalyptic number.

It is an amenable number.

90430961 is a deficient number, since it is larger than the sum of its proper divisors (5110159).

90430961 is a wasteful number, since it uses less digits than its factorization.

90430961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66423.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 90430961 is about 9509.5194936443. The cubic root of 90430961 is about 448.8546362040.

The spelling of 90430961 in words is "ninety million, four hundred thirty thousand, nine hundred sixty-one".