9001946 has 8 divisors (see below), whose sum is σ = 13552500. Its totient is φ = 4484448.

The previous prime is 9001933. The next prime is 9001961. The reversal of 9001946 is 6491009.

It can be written as a sum of positive squares in 2 ways, for example, as 8850625 + 151321 = 2975^2 + 389^2 .

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

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7571 + ... + 8678.

Almost surely, 2^9001946 is an apocalyptic number.

9001946 is a deficient number, since it is larger than the sum of its proper divisors (4550554).

9001946 is a wasteful number, since it uses less digits than its factorization.

9001946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16528.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 9001946 is about 3000.3243158032. The cubic root of 9001946 is about 208.0233732363.

The spelling of 9001946 in words is "nine million, one thousand, nine hundred forty-six".