900946 has 4 divisors (see below), whose sum is σ = 1351422. Its totient is φ = 450472.

The previous prime is 900937. The next prime is 900959. The reversal of 900946 is 649009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 649009 = 17 ⋅38177.

It can be written as a sum of positive squares in only one way, i.e., 893025 + 7921 = 945^2 + 89^2 .

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 as a sum of consecutive naturals, namely, 225235 + ... + 225238.

2⁹⁰⁰⁹⁴⁶ is an apocalyptic number.

900946 is a deficient number, since it is larger than the sum of its proper divisors (450476).

900946 is a wasteful number, since it uses less digits than its factorization.

900946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450475.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 900946 is about 949.1817528798. The cubic root of 900946 is about 96.5827545025.

It can be divided in two parts, 90094 and 6, that added together give a triangular number (90100 = T₄₂₄).

The spelling of 900946 in words is "nine hundred thousand, nine hundred forty-six".