306849646 has 8 divisors (see below), whose sum is σ = 466757424. Its totient is φ = 151263840.

The previous prime is 306849593. The next prime is 306849757. The reversal of 306849646 is 646948603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 306849596 and 306849605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080315 + ... + 1080598.

It is an arithmetic number, because the mean of its divisors is an integer number (58344678).

Almost surely, 2^306849646 is an apocalyptic number.

306849646 is a deficient number, since it is larger than the sum of its proper divisors (159907778).

306849646 is a wasteful number, since it uses less digits than its factorization.

306849646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160986.

The product of its (nonzero) digits is 746496, while the sum is 46.

The square root of 306849646 is about 17517.1243644612. The cubic root of 306849646 is about 674.4895242413.

The spelling of 306849646 in words is "three hundred six million, eight hundred forty-nine thousand, six hundred forty-six".