306406332 has 18 divisors (see below), whose sum is σ = 774527208. Its totient is φ = 102135432.

The previous prime is 306406327. The next prime is 306406367. The reversal of 306406332 is 233604603.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 306406296 and 306406305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4255608 + ... + 4255679.

Almost surely, 2^306406332 is an apocalyptic number.

It is an amenable number.

306406332 is an abundant number, since it is smaller than the sum of its proper divisors (468120876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306406332 is a wasteful number, since it uses less digits than its factorization.

306406332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8511297 (or 8511292 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 306406332 is about 17504.4660586948. The cubic root of 306406332 is about 674.1645499260.

The spelling of 306406332 in words is "three hundred six million, four hundred six thousand, three hundred thirty-two".