406306732 has 24 divisors (see below), whose sum is σ = 810776736. Its totient is φ = 176494848.

The previous prime is 406306727. The next prime is 406306763. The reversal of 406306732 is 237603604.

It is a junction number, because it is equal to n+sod(n) for n = 406306694 and 406306703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228928 + ... + 230695.

It is an arithmetic number, because the mean of its divisors is an integer number (33782364).

Almost surely, 2^406306732 is an apocalyptic number.

It is an amenable number.

406306732 is a deficient number, since it is larger than the sum of its proper divisors (404470004).

406306732 is a wasteful number, since it uses less digits than its factorization.

406306732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459657 (or 459655 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 406306732 is about 20157.0516693290. The cubic root of 406306732 is about 740.6584910514.

The spelling of 406306732 in words is "four hundred six million, three hundred six thousand, seven hundred thirty-two".