906965231 has 4 divisors (see below), whose sum is σ = 910414032. Its totient is φ = 903516432.

The previous prime is 906965207. The next prime is 906965237. The reversal of 906965231 is 132569609.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 906965231 - 2⁶ = 906965167 is a prime.

It is a super-2 number, since 2×906965231² = 1645171860485766722, 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 (906965237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1724006 + ... + 1724531.

It is an arithmetic number, because the mean of its divisors is an integer number (227603508).

Almost surely, 2^906965231 is an apocalyptic number.

906965231 is a deficient number, since it is larger than the sum of its proper divisors (3448801).

906965231 is a wasteful number, since it uses less digits than its factorization.

906965231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448800.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 906965231 is about 30115.8634443710. The cubic root of 906965231 is about 967.9736744514.

The spelling of 906965231 in words is "nine hundred six million, nine hundred sixty-five thousand, two hundred thirty-one".