900247 has 8 divisors (see below), whose sum is σ = 957600. Its totient is φ = 844704.

The previous prime is 900241. The next prime is 900253. The reversal of 900247 is 742009.

It is an interprime number because it is at equal distance from previous prime (900241) and next prime (900253).

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 900247 - 2¹¹ = 898199 is a prime.

It is a super-2 number, since 2×900247² = 1620889322018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 654 + ... + 1492.

It is an arithmetic number, because the mean of its divisors is an integer number (119700).

2⁹⁰⁰²⁴⁷ is an apocalyptic number.

900247 is a deficient number, since it is larger than the sum of its proper divisors (57353).

900247 is a wasteful number, since it uses less digits than its factorization.

900247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 900247 is about 948.8134695503. The cubic root of 900247 is about 96.5577700926.

The spelling of 900247 in words is "nine hundred thousand, two hundred forty-seven".