406951252 has 12 divisors (see below), whose sum is σ = 723839956. Its totient is φ = 200139840.

The previous prime is 406951243. The next prime is 406951289. The reversal of 406951252 is 252159604.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6791236 + 400160016 = 2606^2 + 20004^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833673 + ... + 834160.

Almost surely, 2^406951252 is an apocalyptic number.

It is an amenable number.

406951252 is a deficient number, since it is larger than the sum of its proper divisors (316888704).

406951252 is a wasteful number, since it uses less digits than its factorization.

406951252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667898 (or 1667896 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 406951252 is about 20173.0327913281. The cubic root of 406951252 is about 741.0499170194.

The spelling of 406951252 in words is "four hundred six million, nine hundred fifty-one thousand, two hundred fifty-two".