406231916 has 6 divisors (see below), whose sum is σ = 710905860. Its totient is φ = 203115956.

The previous prime is 406231907. The next prime is 406231919. The reversal of 406231916 is 619132604.

It is not an unprimeable number, because it can be changed into a prime (406231919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50778986 + ... + 50778993.

It is an arithmetic number, because the mean of its divisors is an integer number (118484310).

Almost surely, 2^406231916 is an apocalyptic number.

It is an amenable number.

406231916 is a deficient number, since it is larger than the sum of its proper divisors (304673944).

406231916 is a wasteful number, since it uses less digits than its factorization.

406231916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101557983 (or 101557981 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 406231916 is about 20155.1957569258. The cubic root of 406231916 is about 740.6130274457.

The spelling of 406231916 in words is "four hundred six million, two hundred thirty-one thousand, nine hundred sixteen".