900986 has 4 divisors (see below), whose sum is σ = 1351482. Its totient is φ = 450492.

The previous prime is 900973. The next prime is 900997. The reversal of 900986 is 689009.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 689009 = 557 ⋅1237.

It can be written as a sum of positive squares in only one way, i.e., 866761 + 34225 = 931^2 + 185^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225245 + ... + 225248.

2⁹⁰⁰⁹⁸⁶ is an apocalyptic number.

900986 is a deficient number, since it is larger than the sum of its proper divisors (450496).

900986 is a wasteful number, since it uses less digits than its factorization.

900986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450495.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 900986 is about 949.2028234261. The cubic root of 900986 is about 96.5841838346.

The spelling of 900986 in words is "nine hundred thousand, nine hundred eighty-six".