90946945 has 8 divisors (see below), whose sum is σ = 113881536. Its totient is φ = 69594096.

The previous prime is 90946943. The next prime is 90946949. The reversal of 90946945 is 54964909.

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 90946945 - 2¹ = 90946943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90946895 and 90946904.

It is not an unprimeable number, because it can be changed into a prime (90946943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395307 + ... + 395536.

It is an arithmetic number, because the mean of its divisors is an integer number (14235192).

Almost surely, 2^90946945 is an apocalyptic number.

It is an amenable number.

90946945 is a deficient number, since it is larger than the sum of its proper divisors (22934591).

90946945 is a wasteful number, since it uses less digits than its factorization.

90946945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790871.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 90946945 is about 9536.6107711283. The cubic root of 90946945 is about 449.7067142435.

The spelling of 90946945 in words is "ninety million, nine hundred forty-six thousand, nine hundred forty-five".