906231 has 8 divisors (see below), whose sum is σ = 1212784. Its totient is φ = 601920.

The previous prime is 906229. The next prime is 906233. The reversal of 906231 is 132609.

It is an interprime number because it is at equal distance from previous prime (906229) and next prime (906233).

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

It is not a de Polignac number, because 906231 - 2¹ = 906229 is a prime.

It is a super-2 number, since 2×906231² = 1642509250722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 906198 and 906207.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 906231.

It is not an unprimeable number, because it can be changed into a prime (906233) 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, 1041 + ... + 1701.

It is an arithmetic number, because the mean of its divisors is an integer number (151598).

2⁹⁰⁶²³¹ is an apocalyptic number.

906231 is a deficient number, since it is larger than the sum of its proper divisors (306553).

906231 is a wasteful number, since it uses less digits than its factorization.

906231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 906231 is about 951.9616588918. The cubic root of 906231 is about 96.7712397199.

The spelling of 906231 in words is "nine hundred six thousand, two hundred thirty-one".