406441652 has 6 divisors (see below), whose sum is σ = 711272898. Its totient is φ = 203220824.

The previous prime is 406441643. The next prime is 406441663. The reversal of 406441652 is 256144604.

It can be written as a sum of positive squares in only one way, i.e., 401040676 + 5400976 = 20026^2 + 2324^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50805203 + ... + 50805210.

It is an arithmetic number, because the mean of its divisors is an integer number (118545483).

Almost surely, 2^406441652 is an apocalyptic number.

It is an amenable number.

406441652 is a deficient number, since it is larger than the sum of its proper divisors (304831246).

406441652 is a wasteful number, since it uses less digits than its factorization.

406441652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101610417 (or 101610415 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 406441652 is about 20160.3981111485. The cubic root of 406441652 is about 740.7404640837.

The spelling of 406441652 in words is "four hundred six million, four hundred forty-one thousand, six hundred fifty-two".