309828982 has 16 divisors (see below), whose sum is σ = 491002560. Its totient is φ = 146388928.

The previous prime is 309828979. The next prime is 309828983. The reversal of 309828982 is 289828903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309828983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54103 + ... + 59554.

It is an arithmetic number, because the mean of its divisors is an integer number (30687660).

Almost surely, 2^309828982 is an apocalyptic number.

309828982 is a deficient number, since it is larger than the sum of its proper divisors (181173578).

309828982 is a wasteful number, since it uses less digits than its factorization.

309828982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113735.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 309828982 is about 17601.9596068165. The cubic root of 309828982 is about 676.6654671962.

The spelling of 309828982 in words is "three hundred nine million, eight hundred twenty-eight thousand, nine hundred eighty-two".