303986946 has 16 divisors (see below), whose sum is σ = 612762624. Its totient is φ = 100530864.

The previous prime is 303986897. The next prime is 303986989. The reversal of 303986946 is 649689303.

It is a junction number, because it is equal to n+sod(n) for n = 303986895 and 303986904.

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, 198705 + ... + 200228.

It is an arithmetic number, because the mean of its divisors is an integer number (38297664).

Almost surely, 2^303986946 is an apocalyptic number.

303986946 is an abundant number, since it is smaller than the sum of its proper divisors (308775678).

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

303986946 is a wasteful number, since it uses less digits than its factorization.

303986946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399065.

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 303986946 is about 17435.2214210202. The cubic root of 303986946 is about 672.3854568302.

The spelling of 303986946 in words is "three hundred three million, nine hundred eighty-six thousand, nine hundred forty-six".