946831229 has 2 divisors, whose sum is σ = 946831230. Its totient is φ = 946831228.

The previous prime is 946831219. The next prime is 946831241. The reversal of 946831229 is 922138649.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 809402500 + 137428729 = 28450^2 + 11723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-946831229 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 946831229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (946831219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473415614 + 473415615.

It is an arithmetic number, because the mean of its divisors is an integer number (473415615).

Almost surely, 2^946831229 is an apocalyptic number.

It is an amenable number.

946831229 is a deficient number, since it is larger than the sum of its proper divisors (1).

946831229 is an equidigital number, since it uses as much as digits as its factorization.

946831229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The square root of 946831229 is about 30770.6228243758. The cubic root of 946831229 is about 981.9533540560.

The spelling of 946831229 in words is "nine hundred forty-six million, eight hundred thirty-one thousand, two hundred twenty-nine".